/* roulang page: index */
:root{--ink:#183c32;--deep:#122821;--jade:#1f9b73;--jade-soft:#e2f1e9;--apricot:#d9854d;--paper:#f6f3ec;--card:#fffdf8;--text:#202622;--muted:#68716b;--line:#dce1d9;--radius:18px;--radius-lg:28px;--shadow:0 16px 35px rgba(24,60,50,.08);--wrap:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,textarea,select{font:inherit}button{cursor:pointer}.container{width:min(calc(100% - 48px),var(--wrap));margin:auto}.section{padding:94px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--jade);font-size:13px;font-weight:800;letter-spacing:.08em}.eyebrow:before{content:"";width:22px;height:2px;background:var(--apricot)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(38px,5vw,58px);line-height:1.22;letter-spacing:-.05em}h2{font-size:clamp(29px,3vw,40px);line-height:1.3;letter-spacing:-.035em;margin-bottom:15px}h3{font-size:20px;line-height:1.45;margin-bottom:8px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:35px}.section-head p{color:var(--muted);max-width:600px;margin:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 20px;border-radius:11px;border:1px solid transparent;font-size:15px;font-weight:800;transition:.22s ease}.btn:hover{transform:translateY(-2px)}.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(31,155,115,.35);outline-offset:3px}.btn-main{background:var(--ink);color:#fffdf8}.btn-main:hover{background:var(--jade)}.btn-line{border-color:var(--ink);color:var(--ink);background:transparent}.btn-line:hover{background:var(--jade-soft);border-color:var(--jade)}.arrow{font-size:20px;line-height:1}.tag{display:inline-flex;padding:4px 10px;border-radius:999px;background:var(--jade-soft);color:#176b52;font-size:12px;font-weight:800}.site-header{position:sticky;top:0;z-index:30;background:rgba(246,243,236,.95);border-bottom:1px solid rgba(220,225,217,.9);backdrop-filter:blur(12px)}.topline{height:28px;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted);display:flex;align-items:center}.topline .container{display:flex;justify-content:space-between}.header-main{height:62px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:10px;min-width:220px;font-weight:800;color:var(--ink);font-size:16px;line-height:1.15}.brand-mark{width:34px;height:34px;display:grid;place-items:center;color:#fff;background:var(--ink);border-radius:10px;font-size:20px;font-weight:900;box-shadow:inset 0 -4px 0 rgba(0,0,0,.13)}.brand small{display:block;font-size:10px;color:var(--muted);font-weight:600;letter-spacing:.04em;margin-top:3px}.main-nav{display:flex;align-items:center;gap:4px}.main-nav a{padding:8px 11px;font-size:14px;font-weight:700;color:#3f4a44;border-radius:9px;position:relative}.main-nav a:hover{color:var(--jade);background:var(--jade-soft)}.main-nav a.active{color:var(--ink)}.main-nav a.active:after{content:"";position:absolute;height:3px;bottom:-14px;left:15%;right:15%;background:var(--jade);border-radius:9px}.header-actions{display:flex;gap:10px;align-items:center;white-space:nowrap}.notice-link{font-size:13px;color:var(--ink);font-weight:700}.menu-toggle{display:none;border:0;background:transparent;color:var(--ink);font-size:25px}.hero{padding:72px 0 66px;overflow:hidden}.hero-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(30px,5vw,70px);position:relative;min-height:515px;display:grid;grid-template-columns:1.08fr .92fr;align-items:center;overflow:hidden}.hero-panel:before{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(31,155,115,.17);border-radius:50%;right:-90px;top:-130px}.hero-panel:after{content:"";position:absolute;width:290px;height:290px;border:45px solid rgba(217,133,77,.09);border-radius:50%;left:-165px;bottom:-175px}.hero-copy{position:relative;z-index:1;max-width:650px}.hero-copy p{font-size:18px;color:var(--muted);max-width:580px;margin:19px 0 29px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-note{display:flex;gap:17px;margin-top:31px;color:var(--muted);font-size:13px}.hero-note span:before{content:"✓";display:inline-grid;place-items:center;width:17px;height:17px;margin-right:6px;border-radius:50%;background:var(--jade-soft);color:var(--jade);font-weight:900}.device-stage{position:relative;height:395px;z-index:1}.orbit{position:absolute;border:1px dashed rgba(31,155,115,.45);border-radius:50%;width:340px;height:230px;transform:rotate(-24deg);right:5px;top:71px}.phone{position:absolute;width:218px;height:418px;right:70px;top:-10px;border-radius:31px;background:var(--deep);padding:10px;box-shadow:18px 24px 38px rgba(18,40,33,.25);transform:rotate(5deg)}.screen{height:100%;background:#f4f7f1;border-radius:23px;padding:19px 14px;color:var(--ink);overflow:hidden}.screen-top{display:flex;justify-content:space-between;font-size:10px;font-weight:800}.screen-title{font-size:17px;font-weight:900;margin:19px 0 13px}.screen-banner{height:78px;background:var(--ink);border-radius:13px;color:#fff;padding:12px;font-size:11px;position:relative}.screen-banner b{display:block;font-size:14px}.screen-dot{position:absolute;width:41px;height:41px;border:8px solid var(--jade);border-radius:50%;right:14px;bottom:10px}.mini-line{height:9px;background:#d9e1d8;border-radius:10px;margin:11px 0}.mini-line.short{width:62%}.screen-cards{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:13px}.screen-card{background:#fff;border:1px solid #e1e6df;border-radius:10px;padding:9px;font-size:9px;color:var(--muted)}.screen-card strong{display:block;color:var(--ink);font-size:11px;margin-bottom:5px}.float-card{position:absolute;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:13px 15px;box-shadow:var(--shadow);font-size:12px;z-index:2}.float-card b{display:block;color:var(--ink);font-size:14px}.float-a{left:5px;top:94px}.float-b{right:0;bottom:7px}.quickbar{padding:0 0 20px}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:var(--card);border-radius:18px;overflow:hidden}.quick-item{padding:21px 23px;border-right:1px solid var(--line);transition:.2s}.quick-item:last-child{border:0}.quick-item:hover{background:var(--jade-soft)}.quick-item i{font-style:normal;color:var(--apricot);font-size:20px}.quick-item strong{display:block;font-size:15px;margin:4px 0}.quick-item span{font-size:13px;color:var(--muted)}.split-news{display:grid;grid-template-columns:1.05fr .95fr;gap:25px}.feature-news{background:var(--ink);color:#fffdf8;border-radius:var(--radius-lg);padding:38px;min-height:340px;position:relative;overflow:hidden}.feature-news:after{content:"";width:180px;height:180px;border:24px solid rgba(31,155,115,.35);border-radius:50%;position:absolute;right:-55px;bottom:-70px}.feature-news p{color:#c9d5ce;max-width:470px}.feature-news .tag{background:rgba(255,255,255,.12);color:#d7f2e6}.feature-news a{display:inline-flex;align-items:center;gap:8px;font-weight:800;margin-top:20px;color:#fff}.notice-list{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:12px 28px}.notice-item{padding:18px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:84px 1fr auto;gap:15px;align-items:center}.notice-item:last-child{border:0}.notice-date{font-size:12px;color:var(--apricot);font-weight:800}.notice-item h3{font-size:16px;margin:0}.notice-item p{font-size:13px;color:var(--muted);margin:3px 0 0}.download-zone{background:var(--jade-soft);border-radius:var(--radius-lg);padding:clamp(28px,5vw,60px);display:grid;grid-template-columns:1fr .95fr;gap:45px;overflow:hidden}.download-zone p{color:#476057;max-width:540px}.version-row{display:flex;gap:12px;flex-wrap:wrap;margin:23px 0}.version{background:rgba(255,253,248,.8);border:1px solid rgba(24,60,50,.13);border-radius:12px;padding:10px 13px;font-size:13px}.version b{display:block;color:var(--ink)}.download-visual{position:relative;min-height:270px;display:flex;align-items:center;justify-content:center}.qr{width:128px;height:128px;background:repeating-linear-gradient(45deg,#183c32 0 5px,#fffdf8 5px 9px);padding:10px;border-radius:12px;box-shadow:var(--shadow);position:relative}.qr:after{content:"官方二维码";position:absolute;inset:0;display:grid;place-items:center;background:rgba(255,253,248,.85);font-size:12px;font-weight:800;color:var(--ink)}.download-plate{position:absolute;right:7%;top:18px;width:180px;height:225px;border-radius:22px;background:var(--ink);padding:20px;color:#fff;transform:rotate(8deg)}.download-plate:before{content:"APP";font-size:42px;font-weight:900;color:var(--jade)}.download-plate p{font-size:12px;color:#d6e3dc;margin-top:55px}.assist-links{display:flex;gap:18px;flex-wrap:wrap;margin-top:20px;font-size:13px;font-weight:800;color:var(--ink)}.assist-links a{border-bottom:1px solid var(--jade)}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}.step{position:relative;padding:0 28px 0 0}.step:not(:last-child):after{content:"";height:1px;background:var(--line);position:absolute;top:27px;left:56px;right:0}.step-no{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:var(--card);border:1px solid var(--line);font-size:18px;font-weight:900;color:var(--jade);position:relative;z-index:1}.step p{font-size:14px;color:var(--muted);margin:7px 0}.guide-layout{display:grid;grid-template-columns:5fr 7fr;gap:45px;align-items:center}.guide-intro{padding:26px 0}.guide-intro p{color:var(--muted)}.guide-stack{display:grid;gap:13px}.guide-card{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:19px 21px;display:grid;grid-template-columns:45px 1fr auto;align-items:center;gap:15px;transition:.2s}.guide-card:hover{border-color:var(--jade);transform:translateX(4px)}.guide-icon{width:42px;height:42px;display:grid;place-items:center;background:var(--jade-soft);color:var(--jade);border-radius:12px;font-weight:900}.guide-card p{font-size:13px;color:var(--muted);margin:2px 0 0}.security-band{background:var(--deep);color:#fffdf8;padding:65px 0}.security-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:43px;align-items:center}.security-band p{color:#c4d0c9}.security-items{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.security-item{border:1px solid rgba(225,241,233,.19);padding:17px;border-radius:14px}.security-item b{display:block;color:#8edabd;font-size:15px;margin:7px 0}.security-item span{font-size:12px;color:#c4d0c9}.update-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:18px}.update-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:25px;min-height:235px;position:relative;overflow:hidden}.update-card.major{background:#e9f4ed}.update-card:hover{border-color:var(--jade);box-shadow:var(--shadow)}.update-date{font-size:12px;color:var(--apricot);font-weight:800}.update-card p{color:var(--muted);font-size:14px}.ui-strip{height:48px;border-radius:10px;background:linear-gradient(90deg,var(--ink) 35%,var(--jade) 35% 56%,#d4e5db 56%);margin-top:25px}.calendar-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:42px}.calendar-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:25px}.month{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;font-weight:900}.days{display:grid;grid-template-columns:repeat(7,1fr);gap:7px}.days span{aspect-ratio:1;display:grid;place-items:center;font-size:12px;border-radius:8px;color:var(--muted)}.days .event{background:var(--jade-soft);color:var(--ink);font-weight:900}.events{display:grid;gap:13px}.event-row{display:grid;grid-template-columns:70px 1fr;gap:17px;padding:16px 0;border-bottom:1px solid var(--line)}.event-row:last-child{border:0}.event-row time{color:var(--apricot);font-size:13px;font-weight:900}.event-row p{font-size:13px;color:var(--muted);margin:3px 0}.storyline{max-width:920px;margin:0 auto;position:relative}.storyline:before{content:"";position:absolute;top:5px;bottom:5px;left:50%;width:1px;background:var(--line)}.story{width:50%;padding:0 48px 43px;position:relative}.story:nth-child(odd){margin-left:50%}.story:before{content:"";position:absolute;width:13px;height:13px;border-radius:50%;background:var(--jade);top:7px}.story:nth-child(even):before{right:-7px}.story:nth-child(odd):before{left:-6px}.story-year{font-size:13px;font-weight:900;color:var(--apricot)}.story p{font-size:14px;color:var(--muted);margin:4px 0}.cooperate{background:#eeeae1}.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin:30px 0}.logo-cell{height:72px;border:1px solid #d3d7cf;border-radius:12px;display:grid;place-items:center;color:#89928b;background:rgba(255,253,248,.48);font-size:12px;font-weight:800;letter-spacing:.05em}.cooperate-news{display:grid;grid-template-columns:1fr 1fr;gap:18px}.co-news{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px}.co-news p{font-size:13px;color:var(--muted);margin:5px 0}.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px}.faq-intro p{color:var(--muted)}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;border:0;background:none;padding:19px 2px;text-align:left;display:flex;justify-content:space-between;gap:15px;color:var(--ink);font-weight:800;font-size:16px}.faq-q:before{content:"+";color:var(--jade);font-size:22px;line-height:1}.faq-q span{margin-left:auto}.faq-a{display:none;padding:0 25px 19px;color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q:before{content:"−"}.latest{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.latest-layout{display:grid;grid-template-columns:4fr 8fr;gap:45px}.filter-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.filter-tags span{font-size:13px;padding:7px 10px;border-radius:9px;border:1px solid var(--line);color:var(--muted)}.filter-tags span:first-child{color:var(--jade);border-color:var(--jade)}.content-list{display:grid;gap:12px}.content-item{display:grid;grid-template-columns:106px 1fr auto;gap:18px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line);transition:.2s}.content-item:hover{padding-left:8px}.content-thumb{height:70px;border-radius:10px;background:linear-gradient(135deg,#dcece2,#f3dfcf);position:relative;overflow:hidden}.content-thumb:after{content:"";position:absolute;width:45px;height:45px;border:10px solid rgba(24,60,50,.35);border-radius:50%;right:-12px;bottom:-15px}.content-item h3{font-size:17px;margin:5px 0}.content-item p{font-size:13px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.content-meta{font-size:12px;color:var(--muted);white-space:nowrap}.empty-state{padding:44px 20px;text-align:center;border:1px dashed var(--line);border-radius:16px;color:var(--muted)}.closing{padding-top:40px}.closing-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:43px 50px;display:grid;grid-template-columns:1.1fr .9fr;gap:35px;position:relative;overflow:hidden}.closing-card:after{content:"";position:absolute;width:310px;height:310px;border:35px solid var(--jade-soft);border-radius:50%;right:-155px;top:-160px}.closing-card p{color:var(--muted)}.closing-side{z-index:1;border-left:1px solid var(--line);padding-left:35px}.service-time{font-size:13px;color:var(--muted);margin:13px 0 20px}.site-footer{background:var(--deep);color:#fffdf8;margin-top:85px;padding:58px 0 22px}.footer-top{display:grid;grid-template-columns:1.25fr .75fr .75fr .75fr .75fr;gap:28px;padding-bottom:40px;border-bottom:1px solid rgba(223,238,229,.18)}.footer-brand p{font-size:13px;color:#b9c9c0;max-width:280px;margin:16px 0}.footer-brand .brand{color:#fffdf8}.footer-brand .brand small{color:#9cb4a7}.footer-title{font-size:14px;color:#8edabd;font-weight:800;margin-bottom:12px}.footer-links{display:grid;gap:7px}.footer-links a{font-size:13px;color:#c4d0c9}.footer-links a:hover{color:#fff}.footer-qr{width:76px;height:76px;background:repeating-linear-gradient(45deg,#dcece2 0 4px,#183c32 4px 8px);border-radius:8px;margin-bottom:10px}.footer-bottom{padding-top:19px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#9db3a8;font-size:12px}.footer-bottom a:hover{color:#fff}.mobile-menu{display:none}
@media(max-width:1024px){.main-nav{display:none}.menu-toggle{display:block}.header-actions .notice-link{display:none}.mobile-menu.show{display:grid;position:absolute;top:90px;left:0;right:0;padding:20px 24px;background:var(--card);border-bottom:1px solid var(--line);grid-template-columns:repeat(2,1fr);gap:7px}.mobile-menu a{padding:10px;border-radius:9px;font-size:14px;font-weight:700}.mobile-menu a:hover{background:var(--jade-soft)}.hero-panel{grid-template-columns:1fr .7fr}.split-news,.download-zone,.guide-layout,.security-grid,.calendar-layout,.faq-layout,.closing-card{grid-template-columns:1fr}.latest-layout{grid-template-columns:1fr;gap:25px}.update-grid{grid-template-columns:1.2fr 1fr}.update-card.major{grid-row:span 2}.footer-top{grid-template-columns:1.3fr repeat(3,1fr)}.footer-brand{grid-column:span 2}.security-items{max-width:650px}.storyline{margin-left:30px}.storyline:before{left:0}.story{width:100%;margin-left:0!important;padding-left:38px;padding-right:0}.story:before,.story:nth-child(even):before,.story:nth-child(odd):before{left:-6px;right:auto}}
@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--wrap))}.topline{display:none}.header-main{height:68px}.brand{min-width:0;font-size:14px}.brand small{display:none}.header-actions .btn{padding:10px 12px;font-size:13px}.hero{padding:35px 0}.hero-panel{display:block;padding:34px 25px;min-height:0}.hero-copy p{font-size:16px}.device-stage{height:355px;margin-top:28px}.phone{right:calc(50% - 105px);transform:rotate(3deg) scale(.84);transform-origin:top}.orbit{right:calc(50% - 165px);top:30px}.float-a{left:4%;top:75px}.float-b{right:2%;bottom:5px}.quick-grid{grid-template-columns:1fr 1fr}.quick-item:nth-child(2){border-right:0}.quick-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.section{padding:60px 0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:8px}.split-news{gap:15px}.feature-news{padding:28px;min-height:280px}.notice-list{padding:7px 19px}.notice-item{grid-template-columns:67px 1fr}.notice-item .arrow{display:none}.download-zone{padding:30px 23px}.download-visual{min-height:220px}.download-plate{right:5%;transform:rotate(6deg) scale(.84)}.steps{grid-template-columns:1fr;gap:18px}.step{padding:0 0 0 70px}.step-no{position:absolute;left:0;top:0}.step:not(:last-child):after{width:1px;height:calc(100% - 32px);top:55px;left:27px}.security-items{grid-template-columns:1fr}.update-grid{grid-template-columns:1fr}.update-card.major{grid-row:auto}.logo-wall{grid-template-columns:repeat(3,1fr)}.cooperate-news{grid-template-columns:1fr}.content-item{grid-template-columns:74px 1fr}.content-thumb{height:62px}.content-meta{display:none}.closing-card{padding:31px 25px}.closing-side{padding:22px 0 0;border-left:0;border-top:1px solid var(--line)}.footer-top{grid-template-columns:1fr 1fr;gap:29px}.footer-brand{grid-column:span 2}.footer-bottom{display:block}.footer-bottom div{margin-bottom:7px}}
@media(max-width:520px){h1{font-size:34px}.header-actions .btn{display:none}.mobile-menu.show{top:68px;grid-template-columns:1fr}.hero-note{display:block}.hero-note span{display:block;margin:8px 0}.quick-item{padding:16px}.notice-item{display:block}.notice-date{display:block;margin-bottom:5px}.calendar-layout{gap:20px}.days{gap:4px}.security-band{padding:48px 0}.faq-layout{gap:20px}.logo-wall{grid-template-columns:1fr 1fr}.footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{font-size:11px}}

/* roulang page: article */
:root{--ink:#183c32;--deep:#122821;--jade:#1f9b73;--jade-soft:#e2f1e9;--apricot:#d9854d;--paper:#f6f3ec;--card:#fffdf8;--text:#202622;--muted:#68716b;--line:#dce1d9;--radius:18px;--radius-lg:28px;--shadow:0 16px 35px rgba(24,60,50,.08);--wrap:1200px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--wrap));margin:auto}
    .section{padding:74px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--jade);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--apricot)}
    .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:var(--jade-soft);color:#176b52;font-size:12px;font-weight:800}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 19px;border-radius:11px;border:1px solid transparent;font-size:15px;font-weight:800;transition:.22s ease}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(31,155,115,.35);outline-offset:3px}
    .btn-main{background:var(--ink);color:#fffdf8}
    .btn-main:hover{background:var(--jade)}
    .btn-line{border-color:var(--ink);color:var(--ink);background:transparent}
    .btn-line:hover{background:var(--jade-soft);border-color:var(--jade)}
    .arrow{font-size:20px;line-height:1}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(246,243,236,.95);border-bottom:1px solid rgba(220,225,217,.9);backdrop-filter:blur(12px)}
    .topline{height:24px;border-bottom:1px solid rgba(220,225,217,.72);font-size:11px;color:var(--muted)}
    .topline .container{height:100%;display:flex;justify-content:space-between;align-items:center}
    .header-main{height:62px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;min-width:220px;font-weight:800;color:var(--ink);font-size:16px;line-height:1.15}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;color:#fff;background:var(--ink);border-radius:10px;font-size:20px;font-weight:900;box-shadow:inset 0 -4px 0 rgba(0,0,0,.13)}
    .brand small{display:block;font-size:10px;color:var(--muted);font-weight:600;letter-spacing:.04em;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{padding:8px 11px;font-size:14px;font-weight:700;color:#3f4a44;border-radius:9px;position:relative}
    .main-nav a:hover{color:var(--jade);background:var(--jade-soft)}
    .main-nav a.active{color:var(--ink)}
    .main-nav a.active:after{content:"";position:absolute;height:3px;bottom:-14px;left:15%;right:15%;background:var(--jade);border-radius:9px}
    .header-actions{display:flex;gap:10px;align-items:center;white-space:nowrap}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--ink);font-size:25px;padding:4px 8px}
    .article-hero{padding:54px 0 30px}
    .article-shell{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(28px,5vw,64px);position:relative;overflow:hidden}
    .article-shell:after{content:"";position:absolute;width:270px;height:270px;right:-90px;top:-120px;border:38px solid rgba(31,155,115,.08);border-radius:50%}
    .article-shell>*{position:relative;z-index:1}
    .article-meta{display:flex;flex-wrap:wrap;gap:12px 19px;margin-top:21px;color:var(--muted);font-size:14px}
    .article-meta span{display:inline-flex;align-items:center;gap:6px}
    h1{max-width:900px;margin:16px 0 0;color:var(--ink);font-size:clamp(32px,4.2vw,52px);line-height:1.25;letter-spacing:-.035em;font-weight:800}
    .share-tools{margin-top:28px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .share-tools b{font-size:14px;color:var(--muted);margin-right:3px}
    .share-chip{padding:6px 11px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:13px;color:var(--ink);transition:.2s}
    .share-chip:hover{border-color:var(--jade);background:var(--jade-soft)}
    .breadcrumb-row{padding:22px 0;border-bottom:1px solid var(--line)}
    .breadcrumbs{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:14px;white-space:nowrap;overflow:auto}
    .breadcrumbs a:hover{color:var(--jade)}
    .breadcrumbs strong{max-width:42vw;overflow:hidden;text-overflow:ellipsis;color:var(--ink);font-weight:700}
    .crumb-mark{color:var(--apricot)}
    .summary-wrap{padding:40px 0 0}
    .article-summary{max-width:820px;margin:auto;padding:25px 28px;border-left:4px solid var(--jade);border-radius:0 var(--radius) var(--radius) 0;background:var(--jade-soft);color:#29483c;font-size:16px}
    .article-summary strong{display:block;color:var(--ink);font-size:15px;margin-bottom:7px}
    .reading-section{padding:48px 0 10px}
    .reading-layout{width:min(100%,820px);margin:auto}
    .article-content{font-size:17px;color:#303833;word-break:break-word}
    .article-content>*:first-child{margin-top:0}
    .article-content h2{color:var(--ink);font-size:30px;line-height:1.35;margin:48px 0 18px;font-weight:800}
    .article-content h3{color:var(--ink);font-size:22px;line-height:1.45;margin:33px 0 13px;font-weight:800}
    .article-content p{margin:0 0 20px}
    .article-content ul,.article-content ol{padding-left:24px;margin:0 0 24px}
    .article-content li{margin:8px 0}
    .article-content blockquote{margin:30px 0;padding:18px 22px;border-left:4px solid var(--apricot);background:#fff7ef;border-radius:0 14px 14px 0;color:#5c4a3e}
    .article-content img{margin:30px auto;border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow)}
    .article-content table{width:100%;margin:28px 0;border-collapse:separate;border-spacing:0;overflow:hidden;border:1px solid var(--line);border-radius:14px;font-size:14px}
    .article-content th,.article-content td{padding:12px 15px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-align:left}
    .article-content th{background:var(--jade-soft);color:var(--ink)}
    .article-content tr:last-child td{border-bottom:0}
    .article-content th:last-child,.article-content td:last-child{border-right:0}
    .empty-content{padding:48px 28px;text-align:center;background:var(--card);border:1px dashed var(--line);border-radius:var(--radius)}
    .empty-content h2{font-size:24px;color:var(--ink);margin:0 0 10px}
    .empty-content p{color:var(--muted);margin:0 0 20px}
    .download-note{margin-top:54px;padding:26px 28px;border:1px solid #cce5d8;border-radius:var(--radius-lg);background:linear-gradient(135deg,#eff8f2,#fffdf8);display:grid;grid-template-columns:60px 1fr auto;align-items:center;gap:20px}
    .phone-mini{width:56px;height:72px;border:5px solid var(--ink);border-radius:13px;background:var(--jade-soft);position:relative}
    .phone-mini:before{content:"";position:absolute;left:14px;right:14px;top:7px;height:4px;border-radius:4px;background:var(--ink)}
    .phone-mini:after{content:"";position:absolute;left:9px;right:9px;bottom:10px;height:23px;border-radius:5px;background:#fff}
    .download-note h2{font-size:20px;color:var(--ink);margin:0 0 4px}
    .download-note p{color:var(--muted);font-size:14px;margin:0}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .topic-card{display:block;padding:23px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);transition:.22s}
    .topic-card:hover{border-color:var(--jade);transform:translateY(-3px);box-shadow:var(--shadow)}
    .topic-card i{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--jade-soft);color:var(--jade);font-style:normal;font-weight:900}
    .topic-card h3{color:var(--ink);font-size:18px;margin:16px 0 7px}
    .topic-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
    .recommend-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
    .recommend-item{display:grid;grid-template-columns:115px 1fr auto;align-items:center;gap:21px;padding:22px 28px;border-bottom:1px solid var(--line);transition:.2s}
    .recommend-item:last-child{border-bottom:0}
    .recommend-item:hover{background:#fbfdf9}
    .recommend-date{font-size:13px;color:var(--muted)}
    .recommend-item h3{font-size:17px;color:var(--ink);margin:0 0 4px;font-weight:800}
    .recommend-item p{font-size:14px;color:var(--muted);margin:0}
    .recommend-arrow{color:var(--jade);font-size:25px}
    .support-panel{padding:35px;background:var(--deep);color:#fffdf8;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:space-between;gap:28px}
    .support-panel h2{font-size:28px;margin:7px 0;color:#fffdf8}
    .support-panel p{color:#c6d5cd;margin:0;max-width:640px}
    .support-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
    .support-panel .btn-main{background:var(--jade)}
    .support-panel .btn-main:hover{background:#36b98e}
    .support-panel .btn-line{border-color:#8edabd;color:#dff6e9}
    .support-panel .btn-line:hover{background:rgba(255,255,255,.1)}
    .site-footer{margin-top:84px;background:var(--deep);color:#e9f0eb;padding:62px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.55fr repeat(3,1fr) .72fr;gap:34px;padding-bottom:42px}
    .footer-brand p{max-width:300px;color:#b9c9c0;font-size:14px;margin:18px 0}
    .site-footer .brand{color:#fffdf8;min-width:0}
    .site-footer .brand-mark{background:var(--jade)}
    .site-footer .brand small{color:#b9c9c0}
    .footer-title{font-size:14px;font-weight:800;color:#fffdf8;margin:5px 0 14px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:13px;color:#b9c9c0;transition:.2s}
    .footer-links a:hover{color:#8edabd}
    .footer-qr{width:76px;height:76px;border-radius:8px;background-color:#fffdf8;background-image:linear-gradient(90deg,transparent 42%,#183c32 42%,#183c32 58%,transparent 58%),linear-gradient(transparent 42%,#183c32 42%,#183c32 58%,transparent 58%);background-size:12px 12px;border:6px solid #fffdf8;margin-bottom:8px}
    .footer-bottom{border-top:1px solid rgba(142,218,189,.22);padding-top:20px;display:flex;align-items:center;justify-content:space-between;gap:18px;color:#9eb1a6;font-size:12px}
    .footer-bottom a:hover{color:#dff6e9}
    @media(max-width:1024px){
      .main-nav{gap:0}.main-nav a{padding:8px 8px;font-size:13px}
      .header-actions .btn-line{display:none}
      .topic-grid{grid-template-columns:1fr 1fr}
      .footer-top{grid-template-columns:1.4fr 1fr 1fr}
      .footer-top>div:last-child{grid-column:3}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--wrap))}
      .section{padding:54px 0}
      .topline{display:none}
      .header-main{height:68px}
      .brand{min-width:0;font-size:14px}
      .brand small{font-size:9px}
      .main-nav{display:none;position:absolute;left:16px;right:16px;top:68px;padding:12px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}
      .main-nav a{font-size:15px;padding:11px}
      .main-nav a.active:after{display:none}
      .menu-toggle{display:block}
      .header-actions .btn-main{padding:10px 13px;font-size:13px}
      .article-hero{padding:33px 0 18px}
      .article-shell{padding:30px 24px}
      .article-meta{gap:8px 14px}
      .summary-wrap{padding-top:26px}
      .article-summary{padding:20px}
      .reading-section{padding-top:35px}
      .article-content{font-size:16px}
      .article-content h2{font-size:26px;margin-top:39px}
      .article-content h3{font-size:20px}
      .article-content table{display:block;overflow-x:auto;white-space:nowrap}
      .download-note{grid-template-columns:55px 1fr;padding:22px}
      .download-note .btn{grid-column:1/-1}
      .topic-grid{grid-template-columns:1fr}
      .recommend-item{grid-template-columns:1fr auto;gap:8px;padding:20px}
      .recommend-date{grid-column:1/-1}
      .recommend-item p{display:none}
      .support-panel{display:block;padding:28px}
      .support-actions{justify-content:flex-start;margin-top:20px}
      .footer-top{grid-template-columns:1fr 1fr;gap:30px}
      .footer-brand{grid-column:1/-1}
      .footer-top>div:last-child{grid-column:auto}
      .footer-bottom{display:block;line-height:2}
    }
    @media(max-width:520px){
      .header-actions .btn-main{font-size:0;padding:10px 12px}
      .header-actions .btn-main:before{content:"下载";font-size:13px}
      h1{font-size:32px}
      .article-meta{font-size:13px}
      .breadcrumbs strong{max-width:48vw}
      .share-tools{margin-top:21px}
      .support-actions{display:grid}
      .support-actions .btn{width:100%}
      .footer-top{grid-template-columns:1fr}
      .footer-top>div:last-child{grid-column:auto}
    }

/* roulang page: category1 */
:root{--ink:#183c32;--deep:#122821;--jade:#1f9b73;--jade-soft:#e2f1e9;--apricot:#d9854d;--paper:#f6f3ec;--card:#fffdf8;--text:#202622;--muted:#68716b;--line:#dce1d9;--radius:18px;--radius-lg:28px;--shadow:0 16px 35px rgba(24,60,50,.08);--wrap:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,textarea,select{font:inherit}button{cursor:pointer}.container{width:min(calc(100% - 48px),var(--wrap));margin:auto}.section{padding:88px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--jade);font-size:13px;font-weight:800;letter-spacing:.08em}.eyebrow:before{content:"";width:22px;height:2px;background:var(--apricot)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(38px,5vw,56px);line-height:1.2;letter-spacing:-.04em;font-weight:800}h2{font-size:clamp(28px,3.4vw,38px);line-height:1.3;letter-spacing:-.03em;font-weight:800}h3{font-size:20px;line-height:1.45;font-weight:800}.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}.section-head p{max-width:580px;margin:0;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 19px;border-radius:11px;border:1px solid transparent;font-size:15px;font-weight:800;transition:.22s ease}.btn:hover{transform:translateY(-2px)}.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(31,155,115,.35);outline-offset:3px}.btn-main{background:var(--ink);color:#fffdf8}.btn-main:hover{background:var(--jade)}.btn-line{border-color:var(--ink);color:var(--ink);background:transparent}.btn-line:hover{background:var(--jade-soft);border-color:var(--jade)}.tag{display:inline-flex;padding:4px 10px;border-radius:999px;background:var(--jade-soft);color:#176b52;font-size:12px;font-weight:800}.arrow{font-size:20px;line-height:1}.site-header{position:sticky;top:0;z-index:30;background:rgba(246,243,236,.95);border-bottom:1px solid rgba(220,225,217,.9);backdrop-filter:blur(12px)}.topline{height:25px;border-bottom:1px solid rgba(220,225,217,.75);font-size:11px;color:var(--muted)}.topline .container{height:100%;display:flex;align-items:center;justify-content:space-between}.header-main{height:62px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:10px;min-width:220px;font-weight:800;color:var(--ink);font-size:16px;line-height:1.15}.brand-mark{width:34px;height:34px;display:grid;place-items:center;color:#fff;background:var(--ink);border-radius:10px;font-size:20px;font-weight:900;box-shadow:inset 0 -4px 0 rgba(0,0,0,.13)}.brand small{display:block;font-size:10px;color:var(--muted);font-weight:600;letter-spacing:.04em;margin-top:3px}.main-nav{display:flex;align-items:center;gap:4px}.main-nav a{padding:8px 11px;font-size:14px;font-weight:700;color:#3f4a44;border-radius:9px;position:relative}.main-nav a:hover{color:var(--jade);background:var(--jade-soft)}.main-nav a.active{color:var(--ink)}.main-nav a.active:after{content:"";position:absolute;height:3px;bottom:-14px;left:15%;right:15%;background:var(--jade);border-radius:9px}.header-actions{display:flex;gap:10px;align-items:center;white-space:nowrap}.menu-toggle{display:none;border:0;background:transparent;color:var(--ink);font-size:25px}.page-banner{padding:62px 0 46px}.banner-card{position:relative;overflow:hidden;padding:clamp(30px,5vw,58px);border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--card)}.banner-card:before{content:"";position:absolute;width:330px;height:330px;border:1px solid rgba(31,155,115,.22);border-radius:50%;right:-110px;top:-180px}.banner-card:after{content:"";position:absolute;width:210px;height:210px;border:34px solid rgba(217,133,77,.1);border-radius:50%;right:140px;bottom:-155px}.breadcrumb{position:relative;z-index:1;display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:20px;color:var(--muted);font-size:13px}.breadcrumb span{color:var(--jade)}.banner-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:end}.banner-copy{max-width:760px}.banner-copy p{font-size:17px;color:var(--muted);max-width:720px;margin:16px 0 0}.update-box{min-width:195px;padding:18px 20px;background:var(--jade-soft);border-radius:15px;border:1px solid rgba(31,155,115,.15)}.update-box strong{display:block;color:var(--ink);font-size:15px}.update-box span{display:block;margin-top:4px;color:var(--muted);font-size:13px}.feature-card{display:grid;grid-template-columns:44% 1fr;min-height:385px;border:1px solid var(--line);background:var(--card);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}.feature-visual{position:relative;min-height:290px;background:var(--ink);overflow:hidden}.feature-visual:before{content:"品牌动态";position:absolute;left:32px;bottom:28px;color:#fffdf8;font-weight:800;font-size:30px;letter-spacing:-.05em;z-index:1}.feature-visual:after{content:"";position:absolute;width:260px;height:260px;border:34px solid rgba(31,155,115,.48);border-radius:50%;right:-68px;top:42px}.feature-lines{position:absolute;width:170px;height:170px;left:42px;top:43px;border-radius:22px;border:1px solid rgba(255,255,255,.25);transform:rotate(25deg)}.feature-content{padding:43px;display:flex;flex-direction:column;align-items:flex-start}.feature-content h2{font-size:30px;margin:15px 0 13px}.feature-content p{color:var(--muted);margin-bottom:25px}.feature-meta{display:flex;align-items:center;gap:13px;color:var(--muted);font-size:13px}.timeline-wrap{display:grid;grid-template-columns:minmax(220px,.8fr) 1.2fr;gap:70px}.timeline-intro{position:sticky;top:120px;align-self:start}.timeline-intro p{color:var(--muted)}.timeline{border-left:1px solid var(--line);padding-left:35px}.timeline-item{position:relative;padding:0 0 32px}.timeline-item:last-child{padding-bottom:0}.timeline-item:before{content:"";position:absolute;width:13px;height:13px;border:3px solid var(--paper);background:var(--jade);box-shadow:0 0 0 1px var(--jade);border-radius:50%;left:-42px;top:8px}.timeline-date{color:var(--apricot);font-size:13px;font-weight:800;letter-spacing:.05em}.timeline-item h3{margin:5px 0 6px;font-size:19px}.timeline-item p{color:var(--muted);margin:0;font-size:15px}.news-section{background:#efeee7}.editorial-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}.article-card{display:grid;grid-template-columns:76px 1fr;gap:18px;padding:23px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);transition:.22s ease}.article-card:hover{border-color:var(--jade);box-shadow:var(--shadow);transform:translateY(-3px)}.article-date{height:72px;display:flex;flex-direction:column;justify-content:center;align-items:center;border-radius:12px;background:var(--jade-soft);color:var(--ink);font-size:12px;font-weight:800;line-height:1.25}.article-date strong{font-size:25px}.article-card h3{font-size:18px;margin:8px 0 7px}.article-card p{font-size:14px;line-height:1.7;color:var(--muted);margin:0 0 11px}.article-card .read-link{font-size:14px;font-weight:800;color:var(--jade)}.list-footer{text-align:center;margin-top:31px}.matrix-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.matrix-card{display:block;min-height:176px;padding:25px 21px;border-radius:var(--radius);border:1px solid var(--line);background:var(--card);transition:.22s ease}.matrix-card:hover{transform:translateY(-3px);border-color:var(--jade);box-shadow:var(--shadow)}.matrix-icon{width:40px;height:40px;display:grid;place-items:center;margin-bottom:18px;border-radius:12px;background:var(--jade-soft);color:var(--jade);font-size:20px;font-style:normal}.matrix-card h3{font-size:17px;margin:0 0 5px}.matrix-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}.story-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:26px}.story-panel{border-radius:var(--radius-lg);padding:clamp(28px,4vw,43px);background:var(--ink);color:#fffdf8;overflow:hidden;position:relative}.story-panel:after{content:"";position:absolute;width:235px;height:235px;right:-70px;bottom:-85px;border:28px solid rgba(31,155,115,.35);border-radius:50%}.story-panel p{position:relative;z-index:1;color:#c9d5ce;max-width:500px}.story-panel h2{position:relative;z-index:1;margin:13px 0}.story-points{position:relative;z-index:1;display:grid;gap:14px;margin-top:28px}.story-point{padding:14px 0;border-top:1px solid rgba(255,255,255,.16)}.story-point strong{display:block;color:#dff6e9}.story-point span{font-size:14px;color:#c9d5ce}.cooperation-card{padding:35px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg)}.cooperation-card h3{margin:9px 0 10px}.cooperation-card p{color:var(--muted);margin-bottom:22px}.logo-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:28px}.logo-block{height:55px;display:grid;place-items:center;border:1px dashed #bcc5bc;border-radius:10px;color:#89938c;font-size:12px;font-weight:700;background:#faf9f3}.faq-shell{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px;align-items:start}.faq-intro p{color:var(--muted)}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;padding:20px 0;display:flex;gap:16px;justify-content:space-between;align-items:center;border:0;background:transparent;text-align:left;color:var(--ink);font-weight:800}.faq-number{display:inline-grid;place-items:center;flex:0 0 27px;width:27px;height:27px;border-radius:50%;background:var(--jade-soft);color:var(--jade);font-size:12px}.faq-question span:nth-child(2){flex:1}.faq-plus{font-size:24px;font-weight:400;transition:.2s}.faq-item.active .faq-plus{transform:rotate(45deg);color:var(--jade)}.faq-answer{display:none;padding:0 40px 20px 43px;color:var(--muted);font-size:15px}.faq-item.active .faq-answer{display:block}.return-card{margin-top:32px;padding:22px 24px;border-radius:var(--radius);background:var(--jade-soft);display:flex;align-items:center;justify-content:space-between;gap:18px}.return-card p{margin:0;color:#356354;font-size:14px}.site-footer{background:var(--deep);color:#fffdf8;padding:66px 0 22px}.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr .8fr;gap:30px;padding-bottom:44px}.footer-brand p{max-width:340px;color:#c4d0c9;font-size:14px;margin:18px 0}.site-footer .brand{color:#fffdf8}.site-footer .brand small{color:#c4d0c9}.site-footer .brand-mark{background:var(--jade)}.footer-title{font-size:14px;font-weight:800;margin-bottom:15px;color:#dff6e9}.footer-links{display:grid;gap:9px}.footer-links a{font-size:13px;color:#c4d0c9;transition:.2s}.footer-links a:hover{color:#8edabd}.footer-qr{width:82px;height:82px;border-radius:8px;background:repeating-linear-gradient(45deg,#dff6e9 0 3px,#24463b 3px 6px);border:6px solid #fffdf8;margin-bottom:8px}.footer-bottom{padding-top:21px;border-top:1px solid rgba(142,218,189,.23);display:flex;justify-content:space-between;gap:20px;color:#aebdb5;font-size:12px}.footer-bottom a:hover{color:#dff6e9}
@media(max-width:1024px){.main-nav a{padding:8px 7px}.header-actions .btn-line{display:none}.banner-grid,.timeline-wrap,.faq-shell{grid-template-columns:1fr;gap:28px}.timeline-intro{position:static}.matrix-grid{grid-template-columns:repeat(2,1fr)}.footer-top{grid-template-columns:1.6fr 1fr 1fr}.feature-card{grid-template-columns:38% 1fr}}
@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--wrap))}.topline{display:none}.header-main{height:66px}.brand{min-width:0;font-size:14px}.main-nav{display:none;position:absolute;top:66px;left:16px;right:16px;padding:12px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:11px}.main-nav a.active:after{display:none}.menu-toggle{display:block}.header-actions .btn-main{padding:9px 12px;font-size:13px}.section{padding:58px 0}.page-banner{padding:36px 0 24px}.banner-card{padding:30px 25px}.update-box{min-width:0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:10px}.feature-card,.story-layout{grid-template-columns:1fr}.feature-visual{min-height:225px}.feature-content{padding:29px}.feature-content h2{font-size:25px}.editorial-list{grid-template-columns:1fr}.faq-shell{gap:25px}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column}.return-card{align-items:flex-start;flex-direction:column}}
@media(max-width:520px){body{font-size:15px}.header-actions .btn-main{font-size:0;padding:10px}.header-actions .btn-main:before{content:"↓";font-size:18px}.banner-grid{display:block}.update-box{margin-top:22px}.feature-content{padding:24px}.timeline{padding-left:26px}.timeline-item:before{left:-33px}.article-card{grid-template-columns:58px 1fr;padding:18px 15px;gap:13px}.article-date{height:60px}.article-date strong{font-size:21px}.matrix-grid{grid-template-columns:1fr}.matrix-card{min-height:0}.logo-wall{grid-template-columns:1fr 1fr}.footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{font-size:11px}.return-card .btn{width:100%}}

/* roulang page: category3 */
:root{--ink:#183c32;--deep:#122821;--jade:#1f9b73;--jade-soft:#e2f1e9;--apricot:#d9854d;--paper:#f6f3ec;--card:#fffdf8;--text:#202622;--muted:#68716b;--line:#dce1d9;--radius:18px;--radius-lg:28px;--shadow:0 16px 35px rgba(24,60,50,.08);--wrap:1200px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--wrap));margin:auto}
    .section{padding:92px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--jade);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--apricot)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:26px;margin-bottom:34px}
    .section-head h2{margin:7px 0 0;font-size:clamp(28px,3vw,38px);line-height:1.25;font-weight:800;color:var(--ink)}
    .section-head p{max-width:540px;margin:0;color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 20px;border-radius:11px;border:1px solid transparent;font-size:15px;font-weight:800;line-height:1.35;transition:transform .22s ease,background .22s ease,border-color .22s ease,color .22s ease}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(31,155,115,.35);outline-offset:3px}
    .btn-main{background:var(--ink);color:#fffdf8}
    .btn-main:hover{background:var(--jade);color:#fff}
    .btn-line{border-color:var(--ink);color:var(--ink);background:transparent}
    .btn-line:hover{background:var(--jade-soft);border-color:var(--jade)}
    .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:var(--jade-soft);color:#176b52;font-size:12px;font-weight:800;line-height:1.5}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(246,243,236,.95);border-bottom:1px solid rgba(220,225,217,.9);backdrop-filter:blur(12px)}
    .topline{height:22px;border-bottom:1px solid rgba(220,225,217,.75)}
    .topline .container{display:flex;align-items:center;justify-content:space-between;height:100%;font-size:11px;color:var(--muted)}
    .topline strong{font-weight:700;color:#4b5e54}
    .header-main{height:62px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;min-width:220px;font-weight:800;color:var(--ink);font-size:16px;line-height:1.15}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;color:#fff;background:var(--ink);border-radius:10px;font-size:20px;font-weight:900;box-shadow:inset 0 -4px 0 rgba(0,0,0,.13)}
    .brand small{display:block;font-size:10px;color:var(--muted);font-weight:600;letter-spacing:.04em;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{padding:8px 11px;font-size:14px;font-weight:700;color:#3f4a44;border-radius:9px;position:relative;white-space:nowrap}
    .main-nav a:hover{color:var(--jade);background:var(--jade-soft)}
    .main-nav a.active{color:var(--ink)}
    .main-nav a.active:after{content:"";position:absolute;height:3px;bottom:-14px;left:15%;right:15%;background:var(--jade);border-radius:9px}
    .header-actions{display:flex;gap:10px;align-items:center;white-space:nowrap}
    .header-actions .btn{padding:9px 14px;font-size:13px}
    .text-action{font-size:13px;font-weight:800;color:var(--ink)}
    .text-action:hover{color:var(--jade)}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--ink);font-size:25px;padding:7px}
    .mobile-panel{display:none}
    .page-intro{padding:52px 0 36px}
    .intro-panel{background:var(--deep);color:#fffdf8;border-radius:var(--radius-lg);padding:clamp(28px,5vw,55px);position:relative;overflow:hidden}
    .intro-panel:before{content:"";position:absolute;width:330px;height:330px;border:1px solid rgba(142,218,189,.34);border-radius:50%;right:-95px;top:-154px}
    .intro-panel:after{content:"";position:absolute;width:220px;height:220px;border:28px solid rgba(217,133,77,.14);border-radius:50%;right:130px;bottom:-145px}
    .breadcrumb{position:relative;z-index:1;display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:0 0 25px;padding:0;list-style:none;font-size:13px;color:#bfd0c7}
    .breadcrumb a:hover{color:#8edabd}
    .breadcrumb span{opacity:.55}
    .intro-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr .75fr;gap:42px;align-items:end}
    .intro-panel .eyebrow{color:#8edabd}
    .intro-panel h1{font-size:clamp(34px,5vw,54px);line-height:1.18;letter-spacing:-.035em;margin:12px 0 18px;font-weight:800}
    .intro-panel p{max-width:700px;margin:0;color:#cad8d1;font-size:17px}
    .security-status{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);border-radius:16px;padding:19px 20px}
    .status-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:13px}
    .status-title{font-size:14px;font-weight:800}
    .status-dot{display:inline-flex;align-items:center;gap:6px;color:#bfe9d8;font-size:12px}
    .status-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:#8edabd;box-shadow:0 0 0 4px rgba(142,218,189,.12)}
    .status-row{display:flex;justify-content:space-between;padding-top:11px;margin-top:11px;border-top:1px solid rgba(255,255,255,.13);font-size:13px;color:#c9d5ce}
    .status-row b{color:#fffdf8}
    .protection-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .protect-card{background:var(--card);border:1px solid var(--line);padding:25px 22px;border-radius:var(--radius);transition:.22s ease;min-height:230px}
    .protect-card:hover{transform:translateY(-4px);border-color:var(--jade);box-shadow:var(--shadow)}
    .protect-icon{width:47px;height:47px;border-radius:14px;display:grid;place-items:center;background:var(--jade-soft);color:var(--jade);font-size:23px;font-weight:900;margin-bottom:18px}
    .protect-card:nth-child(2) .protect-icon{background:#faede4;color:var(--apricot)}
    .protect-card:nth-child(3) .protect-icon{background:#e8eee6;color:var(--ink)}
    .protect-card h3{font-size:19px;color:var(--ink);margin:0 0 8px;font-weight:800}
    .protect-card p{font-size:14px;color:var(--muted);margin:0}
    .article-board{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
    .article-item{display:grid;grid-template-columns:116px 1fr auto;gap:24px;align-items:center;padding:25px 29px;border-bottom:1px solid var(--line);transition:.2s ease}
    .article-item:last-child{border-bottom:0}
    .article-item:hover{background:#fbfdf9}
    .article-date{border-right:1px solid var(--line);padding-right:19px}
    .article-date strong{display:block;color:var(--ink);font-size:25px;line-height:1;font-weight:800}
    .article-date span{display:block;margin-top:5px;color:var(--muted);font-size:12px}
    .article-copy h3{font-size:18px;line-height:1.45;margin:8px 0 5px;color:var(--ink);font-weight:800}
    .article-copy h3 a:hover{color:var(--jade)}
    .article-copy p{margin:0;color:var(--muted);font-size:14px}
    .article-arrow{width:37px;height:37px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--jade);font-size:19px;transition:.2s ease}
    .article-item:hover .article-arrow{background:var(--jade);border-color:var(--jade);color:#fff;transform:translateX(3px)}
    .list-bottom{display:flex;justify-content:center;padding:23px;border-top:1px solid var(--line)}
    .list-bottom a{color:var(--ink);font-size:14px;font-weight:800;border-bottom:1px solid var(--jade)}
    .risk-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px}
    .risk-lead{border-radius:var(--radius-lg);padding:39px;background:#f2e4d9;position:relative;overflow:hidden}
    .risk-lead:after{content:"!";position:absolute;right:26px;bottom:-39px;color:rgba(217,133,77,.14);font-size:180px;font-weight:900;line-height:1}
    .risk-lead h2{font-size:31px;line-height:1.3;color:var(--ink);margin:14px 0}
    .risk-lead p{margin:0;color:#56625b;position:relative;z-index:1}
    .risk-stack{display:grid;gap:14px}
    .risk-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 21px;display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start;transition:.2s ease}
    .risk-card:hover{border-color:var(--jade)}
    .risk-symbol{width:38px;height:38px;border-radius:12px;background:var(--jade-soft);color:var(--jade);display:grid;place-items:center;font-size:18px;font-weight:900}
    .risk-card h3{margin:0 0 4px;color:var(--ink);font-size:17px;font-weight:800}
    .risk-card p{margin:0;color:var(--muted);font-size:14px}
    .risk-card a{display:inline-block;margin-top:7px;font-size:13px;font-weight:800;color:var(--jade)}
    .process-wrap{background:var(--ink);border-radius:var(--radius-lg);padding:clamp(30px,5vw,54px);color:#fffdf8}
    .process-top{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:38px}
    .process-top h2{margin:10px 0 0;font-size:clamp(28px,3vw,38px);color:#fffdf8;line-height:1.25}
    .process-top p{max-width:445px;margin:0;color:#c7d5cd}
    .process-line{display:grid;grid-template-columns:repeat(3,1fr);gap:19px;position:relative}
    .process-line:before{content:"";position:absolute;height:1px;left:10%;right:10%;top:29px;background:rgba(142,218,189,.4)}
    .process-item{position:relative;z-index:1}
    .step-no{width:59px;height:59px;display:grid;place-items:center;border:1px solid rgba(142,218,189,.55);background:var(--deep);border-radius:50%;font-size:20px;font-weight:900;color:#8edabd}
    .process-item h3{margin:18px 0 7px;font-size:19px}
    .process-item p{margin:0;color:#c7d5cd;font-size:14px;max-width:290px}
    .channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .channel-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 19px;min-height:160px;transition:.2s ease}
    .channel-card:hover{border-color:var(--jade);box-shadow:var(--shadow);transform:translateY(-3px)}
    .channel-card .channel-icon{width:34px;height:34px;border-radius:10px;background:var(--jade-soft);display:grid;place-items:center;color:var(--jade);font-weight:900;margin-bottom:14px}
    .channel-card h3{font-size:17px;color:var(--ink);margin:0 0 5px;font-weight:800}
    .channel-card p{font-size:13px;color:var(--muted);margin:0 0 10px}
    .channel-card a{font-size:13px;color:var(--jade);font-weight:800}
    .faq-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:50px;align-items:start}
    .faq-side{padding:10px 0}
    .faq-side h2{font-size:clamp(28px,3vw,38px);line-height:1.28;color:var(--ink);margin:11px 0 15px}
    .faq-side p{color:var(--muted);margin:0 0 24px}
    .faq-list{display:grid;gap:10px}
    .faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 20px;border:0;background:transparent;color:var(--ink);font-size:16px;font-weight:800;text-align:left}
    .faq-question:before{content:"";flex:0 0 auto;width:9px;height:9px;border-radius:50%;background:var(--jade);box-shadow:0 0 0 5px var(--jade-soft)}
    .faq-question span{margin-left:auto;color:var(--jade);font-size:22px;font-weight:400;transition:.2s ease}
    .faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s ease}
    .faq-answer>div{overflow:hidden}
    .faq-answer p{margin:0;padding:0 20px 19px 43px;color:var(--muted);font-size:14px}
    .faq-item.open{border-color:#b8d7c9}
    .faq-item.open .faq-answer{grid-template-rows:1fr}
    .faq-item.open .faq-question span{transform:rotate(45deg)}
    .support-card{margin-top:31px;border:1px solid var(--line);background:var(--card);border-radius:16px;padding:19px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}
    .support-card strong{display:block;color:var(--ink);font-size:16px}
    .support-card small{display:block;color:var(--muted);margin-top:3px}
    .site-footer{background:var(--deep);color:#e8f0eb;padding:62px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.5fr repeat(4,.85fr);gap:33px;padding-bottom:45px}
    .footer-brand .brand{color:#fffdf8;margin-bottom:17px}
    .footer-brand .brand small{color:#aebeb5}
    .footer-brand p{font-size:14px;color:#bed0c6;max-width:300px;margin:0 0 20px}
    .footer-title{font-size:14px;font-weight:800;color:#fffdf8;margin:4px 0 14px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:13px;color:#b9c9c0;transition:.2s ease}
    .footer-links a:hover{color:#8edabd;transform:translateX(2px)}
    .footer-qr{width:74px;height:74px;border-radius:8px;margin-bottom:8px;background-color:#fffdf8;background-image:linear-gradient(90deg,transparent 48%,#183c32 48%,#183c32 54%,transparent 54%),linear-gradient(0deg,transparent 48%,#183c32 48%,#183c32 54%,transparent 54%);background-size:11px 11px;position:relative}
    .footer-qr:after{content:"1";position:absolute;inset:24px;display:grid;place-items:center;background:var(--ink);color:#fff;font-weight:900;border-radius:4px}
    .footer-bottom{border-top:1px solid rgba(142,218,189,.22);padding-top:21px;display:flex;justify-content:space-between;gap:18px;color:#afc0b6;font-size:12px}
    .footer-bottom a:hover{color:#8edabd}
    @media (max-width:1100px){
      .main-nav a{padding:8px 8px;font-size:13px}
      .brand{min-width:195px}
      .header-actions .text-action{display:none}
      .protection-grid,.channel-grid{grid-template-columns:repeat(2,1fr)}
      .footer-top{grid-template-columns:1.5fr repeat(3,1fr)}
      .footer-top>div:last-child{grid-column:2}
    }
    @media (max-width:820px){
      .container{width:min(calc(100% - 34px),var(--wrap))}
      .section{padding:65px 0}
      .main-nav,.header-actions{display:none}
      .menu-toggle{display:block}
      .mobile-panel{border-top:1px solid var(--line);padding:12px 0 18px;background:var(--paper)}
      .mobile-panel.open{display:block}
      .mobile-panel nav{display:grid;gap:4px}
      .mobile-panel a{padding:10px 13px;border-radius:9px;font-size:14px;font-weight:700;color:var(--ink)}
      .mobile-panel a:hover,.mobile-panel a.active{background:var(--jade-soft);color:var(--jade)}
      .mobile-extra{display:grid;grid-template-columns:repeat(2,1fr);gap:5px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
      .mobile-extra a{font-size:13px;font-weight:600;color:var(--muted)}
      .intro-grid,.risk-layout,.faq-layout{grid-template-columns:1fr}
      .intro-grid{gap:25px}
      .security-status{max-width:500px}
      .article-item{grid-template-columns:91px 1fr auto;gap:15px;padding:21px}
      .process-top{display:block}
      .process-top p{margin-top:14px}
      .footer-top{grid-template-columns:repeat(3,1fr)}
      .footer-brand{grid-column:span 3}
      .footer-top>div:last-child{grid-column:auto}
    }
    @media (max-width:560px){
      body{font-size:15px}
      .container{width:min(calc(100% - 28px),var(--wrap))}
      .topline .container span:last-child{display:none}
      .page-intro{padding:28px 0 20px}
      .intro-panel{border-radius:22px;padding:28px 22px}
      .intro-panel p{font-size:15px}
      .section{padding:52px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-head p{margin-top:12px}
      .protection-grid,.channel-grid{grid-template-columns:1fr}
      .protect-card{min-height:auto;padding:21px}
      .article-item{grid-template-columns:1fr auto;padding:20px 18px;gap:13px}
      .article-date{grid-column:1 / -1;border-right:0;border-bottom:1px solid var(--line);padding:0 0 10px;display:flex;align-items:center;gap:9px}
      .article-date strong{font-size:17px}
      .article-date span{margin:0}
      .article-copy h3{font-size:16px}
      .article-copy p{font-size:13px}
      .risk-lead{padding:27px 22px}
      .risk-lead h2{font-size:27px}
      .process-wrap{padding:28px 22px;border-radius:22px}
      .process-line{grid-template-columns:1fr;gap:25px}
      .process-line:before{width:1px;height:auto;top:30px;bottom:30px;left:29px;right:auto}
      .process-item{display:grid;grid-template-columns:59px 1fr;column-gap:16px}
      .process-item h3{margin:2px 0 4px}
      .process-item p{grid-column:2}
      .support-card{display:block}
      .support-card .btn{margin-top:15px;width:100%}
      .footer-top{grid-template-columns:1fr 1fr;gap:27px}
      .footer-brand{grid-column:span 2}
      .footer-bottom{display:block;line-height:2}
      .footer-bottom div+div{margin-top:8px}
    }

/* roulang page: category2 */
:root{--ink:#183c32;--deep:#122821;--jade:#1f9b73;--jade-soft:#e2f1e9;--apricot:#d9854d;--paper:#f6f3ec;--card:#fffdf8;--text:#202622;--muted:#68716b;--line:#dce1d9;--radius:18px;--radius-lg:28px;--shadow:0 16px 35px rgba(24,60,50,.08);--wrap:1200px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(31,155,115,.35);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--wrap));margin:auto}
    .section{padding:86px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--jade);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--apricot)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:32px}
    .section-head h2{margin:8px 0 0;color:var(--ink);font-size:34px;line-height:1.25;font-weight:800}
    .section-head p{color:var(--muted);max-width:590px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 20px;border-radius:11px;border:1px solid transparent;font-size:15px;font-weight:800;transition:.22s ease}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible{outline:3px solid rgba(31,155,115,.35);outline-offset:3px}
    .btn-main{background:var(--ink);color:#fffdf8}
    .btn-main:hover{background:var(--jade);color:#fff}
    .btn-line{border-color:var(--ink);color:var(--ink);background:transparent}
    .btn-line:hover{background:var(--jade-soft);border-color:var(--jade)}
    .tag{display:inline-flex;padding:4px 10px;border-radius:999px;background:var(--jade-soft);color:#176b52;font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(246,243,236,.96);border-bottom:1px solid rgba(220,225,217,.9);backdrop-filter:blur(12px)}
    .header-main{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;min-width:220px;font-weight:800;color:var(--ink);font-size:16px;line-height:1.15}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;color:#fff;background:var(--ink);border-radius:10px;font-size:20px;font-weight:900;box-shadow:inset 0 -4px 0 rgba(0,0,0,.13)}
    .brand small{display:block;font-size:10px;color:var(--muted);font-weight:600;letter-spacing:.04em;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{padding:8px 11px;font-size:14px;font-weight:700;color:#3f4a44;border-radius:9px;position:relative}
    .main-nav a:hover{color:var(--jade);background:var(--jade-soft)}
    .main-nav a.active{color:var(--ink)}
    .main-nav a.active:after{content:"";position:absolute;height:3px;bottom:-13px;left:15%;right:15%;background:var(--jade);border-radius:9px}
    .header-actions{display:flex;gap:10px;align-items:center;white-space:nowrap}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--ink);font-size:25px}
    .page-intro{padding:66px 0 48px}
    .crumbs{font-size:13px;color:var(--muted);margin-bottom:22px}
    .crumbs a:hover{color:var(--jade)}
    .intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:end}
    .intro-grid h1{font-size:clamp(36px,5vw,56px);line-height:1.12;color:var(--ink);margin:10px 0 18px;font-weight:800}
    .intro-grid p{max-width:670px;color:var(--muted);font-size:17px;margin:0}
    .status-panel{background:var(--deep);color:#fffdf8;border-radius:var(--radius-lg);padding:26px}
    .status-panel .status-top{display:flex;justify-content:space-between;gap:15px;align-items:center;border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:17px;margin-bottom:17px}
    .status-panel strong{font-size:22px}
    .status-panel span{font-size:13px;color:#cbd8d0}
    .status-line{display:flex;align-items:center;gap:9px;color:#dff6e9;font-size:14px}
    .status-dot{width:9px;height:9px;background:#79d3aa;border-radius:50%;box-shadow:0 0 0 5px rgba(121,211,170,.14)}
    .platform-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .platform-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:27px;min-height:235px;transition:.22s}
    .platform-card:hover{transform:translateY(-4px);border-color:var(--jade);box-shadow:var(--shadow)}
    .platform-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:13px;background:var(--jade-soft);color:var(--ink);font-size:20px;font-weight:900;margin-bottom:20px}
    .platform-card h3{font-size:21px;color:var(--ink);margin:0 0 8px}
    .platform-card p{color:var(--muted);font-size:14px;margin:0 0 18px}
    .platform-card .btn{font-size:13px;padding:9px 13px}
    .qr{width:88px;height:88px;border:7px solid #fff;background:repeating-linear-gradient(45deg,var(--ink) 0 3px,#fff 3px 6px);border-radius:8px}
    .platform-detail{display:flex;align-items:center;gap:18px;margin-top:13px}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
    .process-item{position:relative;padding:28px 25px;border-right:1px solid var(--line)}
    .process-item:last-child{border-right:0}
    .process-no{display:inline-grid;place-items:center;width:32px;height:32px;background:var(--ink);color:#fff;border-radius:50%;font-weight:800;margin-bottom:19px}
    .process-item h3{font-size:18px;color:var(--ink);margin:0 0 7px}
    .process-item p{font-size:14px;color:var(--muted);margin:0}
    .article-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .article-card{display:grid;grid-template-columns:90px 1fr;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;transition:.22s}
    .article-card:hover{border-color:var(--jade);transform:translateY(-3px);box-shadow:var(--shadow)}
    .article-thumb{min-height:100px;border-radius:12px;background:linear-gradient(145deg,var(--jade-soft),#c5dfd1);position:relative;overflow:hidden}
    .article-thumb:after{content:"";position:absolute;width:70px;height:70px;border:12px solid rgba(31,155,115,.3);border-radius:50%;right:-20px;bottom:-18px}
    .article-card h3{font-size:18px;color:var(--ink);line-height:1.4;margin:9px 0 5px}
    .article-card p{font-size:13px;color:var(--muted);line-height:1.7;margin:0}
    .article-meta{font-size:12px;color:var(--muted)}
    .more-link{display:inline-flex;align-items:center;gap:8px;color:var(--jade);font-weight:800;margin-top:25px}
    .more-link:hover{color:var(--ink)}
    .version-board{background:var(--ink);border-radius:var(--radius-lg);padding:30px;color:#fffdf8}
    .version-row{display:grid;grid-template-columns:150px 150px 1fr auto;align-items:center;gap:20px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.15)}
    .version-row:last-child{border-bottom:0}
    .version-row time{color:#b9cbc1;font-size:13px}
    .version-row p{margin:0;color:#d5e0da;font-size:14px}
    .version-row a{color:#8edabd;font-weight:800;font-size:14px}
    .channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .channel-card{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:15px;padding:20px 18px;font-weight:800;color:var(--ink);transition:.2s}
    .channel-card:hover{background:var(--jade-soft);border-color:var(--jade);color:var(--jade)}
    .channel-card span:last-child{font-size:20px}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:42px;align-items:start}
    .faq-wrap h2{font-size:32px;line-height:1.3;color:var(--ink);margin:8px 0 15px}
    .faq-wrap p{color:var(--muted);margin:0}
    .faq-list{display:grid;gap:10px}
    .faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
    .faq-item summary{list-style:none;cursor:pointer;padding:17px 20px;font-weight:800;color:var(--ink);display:flex;justify-content:space-between;gap:15px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";color:var(--jade);font-size:22px;line-height:1}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{padding:0 20px 18px;color:var(--muted);font-size:14px}
    .feedback{margin-top:22px;display:inline-flex}
    .site-footer{background:var(--deep);color:#fffdf8;padding:62px 0 22px}
    .footer-top{display:grid;grid-template-columns:2fr repeat(3,1fr) 1fr;gap:30px;padding-bottom:45px;border-bottom:1px solid rgba(142,218,189,.28)}
    .footer-brand .brand{color:#fffdf8}
    .footer-brand p{color:#c4d0c9;font-size:14px;max-width:270px;margin:18px 0}
    .footer-title{font-size:14px;font-weight:800;color:#dff6e9;margin-bottom:15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:13px;color:#b9c9c0}
    .footer-links a:hover{color:#8edabd}
    .footer-qr{width:82px;height:82px;background:repeating-linear-gradient(45deg,#dff6e9 0 3px,transparent 3px 6px);border:6px solid #dff6e9;border-radius:7px;margin-bottom:9px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#9caf a5;font-size:12px}
    .footer-bottom a{color:#b9c9c0}
    @media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding:8px 7px}.header-actions .btn-line{display:none}.intro-grid{grid-template-columns:1fr}.platform-grid,.channel-grid{grid-template-columns:repeat(2,1fr)}.footer-top{grid-template-columns:2fr repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(calc(100% - 32px),var(--wrap))}.header-main{height:68px}.main-nav{display:none;position:absolute;top:69px;left:16px;right:16px;padding:12px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a.active:after{display:none}.menu-toggle{display:block}.header-actions{margin-left:auto}.header-actions .btn{padding:9px 12px;font-size:13px}.brand{min-width:0;font-size:14px}.brand small{font-size:9px}.section{padding:60px 0}.page-intro{padding:45px 0 30px}.section-head{display:block}.section-head h2{font-size:29px;margin-bottom:12px}.platform-grid,.article-list,.faq-wrap{grid-template-columns:1fr}.process{grid-template-columns:1fr}.process-item{border-right:0;border-bottom:1px solid var(--line)}.process-item:last-child{border-bottom:0}.version-row{grid-template-columns:1fr 1fr;gap:5px 15px}.version-row p{grid-column:1/-1}.version-row a{grid-column:2;grid-row:1;text-align:right}.channel-grid{grid-template-columns:1fr 1fr}.footer-top{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom div+div{margin-top:10px}}
    @media(max-width:520px){.intro-grid h1{font-size:36px}.platform-grid,.channel-grid{grid-template-columns:1fr}.article-card{grid-template-columns:70px 1fr;padding:15px;gap:13px}.article-thumb{min-height:90px}.hero-actions .btn{width:100%}.footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}.status-panel{padding:22px}.qr{width:76px;height:76px}}

/* roulang page: category4 */
:root{--ink:#183c32;--deep:#122821;--jade:#1f9b73;--jade-soft:#e2f1e9;--apricot:#d9854d;--paper:#f6f3ec;--card:#fffdf8;--text:#202622;--muted:#68716b;--line:#dce1d9;--radius:18px;--radius-lg:28px;--shadow:0 16px 35px rgba(24,60,50,.08);--wrap:1200px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--wrap));margin:auto}
    .section{padding:88px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--jade);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--apricot)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-head h2{margin:8px 0 0;color:var(--ink);font-size:clamp(28px,3vw,38px);line-height:1.25;font-weight:800}
    .section-head p{color:var(--muted);max-width:560px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 20px;border-radius:11px;border:1px solid transparent;font-size:15px;font-weight:800;transition:.22s ease}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(31,155,115,.35);outline-offset:3px}
    .btn-main{background:var(--ink);color:#fffdf8}
    .btn-main:hover{background:var(--jade);color:#fff}
    .btn-line{border-color:var(--ink);color:var(--ink);background:transparent}
    .btn-line:hover{background:var(--jade-soft);border-color:var(--jade)}
    .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:var(--jade-soft);color:#176b52;font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(246,243,236,.95);border-bottom:1px solid rgba(220,225,217,.9);backdrop-filter:blur(12px)}
    .topline{height:24px;border-bottom:1px solid rgba(220,225,217,.65);font-size:11px;color:var(--muted)}
    .topline .container{height:100%;display:flex;justify-content:space-between;align-items:center}
    .header-main{height:62px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;min-width:220px;font-weight:800;color:var(--ink);font-size:16px;line-height:1.15}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;color:#fff;background:var(--ink);border-radius:10px;font-size:20px;font-weight:900;box-shadow:inset 0 -4px 0 rgba(0,0,0,.13)}
    .brand small{display:block;font-size:10px;color:var(--muted);font-weight:600;letter-spacing:.04em;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{padding:8px 11px;font-size:14px;font-weight:700;color:#3f4a44;border-radius:9px;position:relative}
    .main-nav a:hover{color:var(--jade);background:var(--jade-soft)}
    .main-nav a.active{color:var(--ink)}
    .main-nav a.active:after{content:"";position:absolute;height:3px;bottom:-14px;left:15%;right:15%;background:var(--jade);border-radius:9px}
    .header-actions{display:flex;gap:10px;align-items:center;white-space:nowrap}
    .header-actions .btn{padding:9px 14px;font-size:13px}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--ink);font-size:25px;line-height:1}
    .page-hero{padding:54px 0 40px}
    .page-banner{position:relative;overflow:hidden;padding:42px 48px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg)}
    .page-banner:before{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(31,155,115,.18);border-radius:50%;right:-86px;top:-208px}
    .page-banner:after{content:"";position:absolute;width:185px;height:185px;border:29px solid rgba(217,133,77,.11);border-radius:50%;right:135px;bottom:-120px}
    .breadcrumb{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:21px}
    .breadcrumb span{color:var(--jade)}
    .page-banner h1{position:relative;z-index:1;margin:0;color:var(--ink);font-size:clamp(34px,5vw,54px);line-height:1.18;font-weight:800;letter-spacing:-.03em}
    .page-banner p{position:relative;z-index:1;max-width:710px;margin:17px 0 0;color:var(--muted);font-size:17px}
    .service-meta{position:relative;z-index:1;display:flex;gap:11px;flex-wrap:wrap;margin-top:26px}
    .meta-item{padding:7px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,253,248,.84);font-size:13px;color:#516058}
    .service-choices{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .support-feature,.support-grid-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);transition:.22s ease}
    .support-feature{padding:33px;min-height:260px;background:var(--ink);color:#fffdf8;position:relative;overflow:hidden}
    .support-feature:after{content:"";position:absolute;right:-38px;bottom:-65px;width:200px;height:200px;border:25px solid rgba(31,155,115,.38);border-radius:50%}
    .support-feature p{color:#c8d5ce;max-width:465px;margin:11px 0 25px}
    .support-feature .tag{background:rgba(255,255,255,.12);color:#dff6e9}
    .support-feature h3{font-size:26px;margin:15px 0 0;position:relative;z-index:1}
    .support-feature a{position:relative;z-index:1;color:#fff;font-weight:800;display:inline-flex;gap:9px;align-items:center}
    .choice-stack{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .support-grid-card{padding:22px;min-height:120px}
    .support-grid-card:hover{border-color:var(--jade);box-shadow:var(--shadow);transform:translateY(-3px)}
    .support-icon{width:39px;height:39px;display:grid;place-items:center;border-radius:12px;background:var(--jade-soft);color:var(--jade);font-size:19px;font-weight:900}
    .support-grid-card h3{font-size:17px;margin:13px 0 4px;color:var(--ink)}
    .support-grid-card p{font-size:13px;line-height:1.65;color:var(--muted);margin:0}
    .article-list{display:grid;gap:13px}
    .article-row{display:grid;grid-template-columns:100px 1fr auto;gap:22px;align-items:center;padding:21px 23px;background:var(--card);border:1px solid var(--line);border-radius:15px;transition:.22s ease}
    .article-row:hover{border-color:var(--jade);box-shadow:0 10px 24px rgba(24,60,50,.06);transform:translateX(3px)}
    .article-date{border-right:1px solid var(--line);padding-right:17px;text-align:center;color:var(--apricot);font-weight:800;font-size:13px}
    .article-date b{display:block;color:var(--ink);font-size:22px;line-height:1.1}
    .article-content h3{font-size:18px;color:var(--ink);margin:0 0 4px}
    .article-content p{font-size:14px;color:var(--muted);margin:0;line-height:1.65}
    .article-arrow{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--jade-soft);color:var(--jade);font-size:21px;transition:.2s}
    .article-row:hover .article-arrow{background:var(--jade);color:#fff;transform:translateX(3px)}
    .list-more{margin-top:24px;display:inline-flex;gap:8px;align-items:center;font-weight:800;color:var(--ink);border-bottom:1px solid var(--jade)}
    .feedback-wrap{display:grid;grid-template-columns:.84fr 1.16fr;gap:26px;align-items:stretch}
    .feedback-info{padding:37px;background:var(--jade-soft);border-radius:var(--radius-lg);border:1px solid #cde4d8}
    .feedback-info h2{font-size:31px;line-height:1.3;color:var(--ink);margin:12px 0}
    .feedback-info p{color:#52685e;margin:0}
    .contact-notes{margin:25px 0 0;padding:0;list-style:none}
    .contact-notes li{padding:11px 0;border-bottom:1px solid rgba(24,60,50,.14);font-size:14px;color:#40584c}
    .contact-notes li:last-child{border-bottom:0}
    .contact-notes b{color:var(--ink)}
    .feedback-form{padding:32px;background:var(--card);border-radius:var(--radius-lg);border:1px solid var(--line)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}
    .field{display:flex;flex-direction:column;gap:7px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:800;color:var(--ink)}
    input,textarea,select{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;background:#fffefa;color:var(--text);outline:0;transition:.2s}
    input:focus,textarea:focus,select:focus{border-color:var(--jade);box-shadow:0 0 0 3px rgba(31,155,115,.12)}
    textarea{resize:vertical;min-height:118px}
    .form-help{margin:5px 0 17px;color:var(--muted);font-size:12px}
    .privacy-check{display:flex;align-items:flex-start;gap:9px;margin:16px 0 20px;font-size:13px;color:var(--muted)}
    .privacy-check input{width:17px;height:17px;margin-top:4px;accent-color:var(--jade)}
    .process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative}
    .process-card{position:relative;padding:27px 25px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
    .process-card:not(:last-child):after{content:"";position:absolute;top:50%;right:-20px;width:20px;height:1px;background:var(--jade)}
    .process-num{display:inline-grid;place-items:center;width:35px;height:35px;border-radius:50%;background:var(--ink);color:#fff;font-size:14px;font-weight:900}
    .process-card h3{font-size:19px;color:var(--ink);margin:17px 0 7px}
    .process-card p{font-size:14px;color:var(--muted);margin:0}
    .channel-panel{padding:36px;border-radius:var(--radius-lg);background:var(--deep);color:#fffdf8}
    .channel-panel .section-head{margin-bottom:24px}
    .channel-panel .section-head h2{color:#fffdf8}
    .channel-panel .section-head p{color:#c8d5ce}
    .channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}
    .channel-link{display:block;padding:20px;border:1px solid rgba(223,246,233,.2);border-radius:14px;background:rgba(255,255,255,.04);transition:.2s}
    .channel-link:hover{background:rgba(31,155,115,.25);border-color:#5bbd98;transform:translateY(-3px);color:#fff}
    .channel-link i{display:block;font-style:normal;color:#8edabd;font-size:19px}
    .channel-link strong{display:block;margin-top:10px;font-size:16px}
    .channel-link span{display:block;margin-top:4px;font-size:12px;color:#c8d5ce}
    .faq-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:45px;align-items:start}
    .faq-intro{padding-top:8px}
    .faq-intro h2{margin:10px 0 14px;color:var(--ink);font-size:clamp(28px,3vw,38px);line-height:1.3}
    .faq-intro p{margin:0;color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;padding:20px 4px;display:flex;align-items:center;gap:13px;border:0;background:transparent;color:var(--ink);font-size:16px;font-weight:800;text-align:left}
    .faq-no{display:grid;place-items:center;flex:0 0 28px;width:28px;height:28px;border-radius:50%;background:var(--jade-soft);color:var(--jade);font-size:11px}
    .faq-question .plus{margin-left:auto;font-size:24px;font-weight:400;line-height:1;color:var(--jade);transition:.25s}
    .faq-answer{display:none;padding:0 8px 20px 45px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .plus{transform:rotate(45deg)}
    .return-bar{margin-top:30px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:24px 28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}
    .return-bar p{margin:0;color:var(--muted);font-size:14px}
    .site-footer{margin-top:32px;background:var(--deep);color:#fffdf8;padding:57px 0 20px}
    .footer-top{display:grid;grid-template-columns:1.65fr 1fr 1fr 1fr .8fr;gap:28px;padding-bottom:42px;border-bottom:1px solid rgba(142,218,189,.25)}
    .footer-brand .brand{color:#fffdf8;min-width:0}
    .footer-brand .brand-mark{background:var(--jade)}
    .footer-brand .brand small{color:#bad0c4}
    .footer-brand p{max-width:300px;margin:18px 0;color:#c4d0c9;font-size:14px;line-height:1.7}
    .footer-title{font-size:14px;font-weight:800;color:#dff6e9;margin:6px 0 13px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:13px;color:#c4d0c9;transition:.2s}
    .footer-links a:hover{color:#8edabd}
    .footer-qr{width:80px;height:80px;border-radius:8px;margin-bottom:8px;background-color:#fffdf8;background-image:linear-gradient(90deg,rgba(18,40,33,.82) 12%,transparent 12%,transparent 28%,rgba(18,40,33,.82) 28%,rgba(18,40,33,.82) 42%,transparent 42%,transparent 58%,rgba(18,40,33,.82) 58%,rgba(18,40,33,.82) 75%,transparent 75%),linear-gradient(rgba(18,40,33,.82) 14%,transparent 14%,transparent 28%,rgba(18,40,33,.82) 28%,rgba(18,40,33,.82) 44%,transparent 44%,transparent 64%,rgba(18,40,33,.82) 64%,rgba(18,40,33,.82) 79%,transparent 79%);background-size:18px 18px}
    .footer-bottom{padding-top:19px;display:flex;justify-content:space-between;gap:18px;align-items:center;color:#aebfb5;font-size:12px}
    .footer-bottom a{color:#c4d0c9}
    .footer-bottom a:hover{color:#8edabd}
    @media (max-width:1024px){
      .main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:13px}
      .header-actions .btn-line{display:none}
      .service-choices,.feedback-wrap,.faq-layout{grid-template-columns:1fr}
      .channel-grid{grid-template-columns:repeat(2,1fr)}
      .footer-top{grid-template-columns:1.5fr 1fr 1fr}
      .footer-brand{grid-row:span 2}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 32px),var(--wrap))}
      .topline{display:none}.header-main{height:67px}
      .brand{min-width:0;font-size:14px}.brand small{font-size:9px}
      .main-nav{display:none;position:absolute;top:67px;left:16px;right:16px;padding:12px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .main-nav.show{display:flex}
      .main-nav a{padding:11px 13px;font-size:15px}
      .main-nav a.active:after{display:none}
      .header-actions{margin-left:auto}.header-actions .btn-main{display:none}
      .menu-toggle{display:block}
      .section{padding:58px 0}.page-hero{padding:30px 0 20px}
      .page-banner{padding:31px 25px}.page-banner p{font-size:15px}
      .section-head{align-items:flex-start;flex-direction:column;gap:12px;margin-bottom:25px}
      .choice-stack{grid-template-columns:1fr 1fr}
      .article-row{grid-template-columns:66px 1fr;gap:14px;padding:17px}
      .article-date{padding-right:11px}.article-date b{font-size:19px}
      .article-arrow{display:none}
      .feedback-info,.feedback-form{padding:26px 21px}
      .process-grid{grid-template-columns:1fr;gap:14px}
      .process-card:not(:last-child):after{top:auto;bottom:-14px;left:32px;width:1px;height:14px}
      .return-bar{align-items:flex-start;flex-direction:column;padding:21px}
      .footer-top{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1;grid-row:auto}
      .footer-bottom{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:520px){
      body{font-size:15px}.container{width:min(calc(100% - 28px),var(--wrap))}
      .brand-mark{width:31px;height:31px}.header-actions{display:none}
      .page-banner{padding:27px 21px;border-radius:20px}.page-banner h1{font-size:34px}
      .service-meta{gap:7px}.meta-item{font-size:12px;padding:6px 9px}
      .support-feature{padding:26px 22px}.support-feature h3{font-size:23px}
      .choice-stack,.channel-grid,.form-grid{grid-template-columns:1fr}
      .support-grid-card{min-height:0}
      .article-row{grid-template-columns:1fr}.article-date{display:flex;gap:7px;align-items:center;text-align:left;border:0;padding:0}.article-date b{font-size:14px}
      .article-content h3{font-size:16px}
      .faq-answer{padding-left:4px}.faq-question{font-size:15px;padding:18px 0}
      .footer-top{grid-template-columns:1fr;gap:25px}
    }