/* roulang page: index */
:root{
  --berry:#a63372;
  --berry-dark:#772557;
  --coral:#e56b72;
  --plum:#351a3d;
  --plum-2:#512348;
  --ink:#281f2b;
  --muted:#756b79;
  --cream:#fffaf7;
  --rose:#f7edf1;
  --line:#eadde2;
  --mint:#b9e8d6;
  --white:#fff;
  --radius:18px;
  --shadow:0 16px 36px rgba(75,34,63,.09);
  --container:1220px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,247,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(234,221,226,.8)}
.navbar{height:78px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:11px;min-width:235px;font-weight:800;color:var(--plum);letter-spacing:-.5px}
.logo-mark{width:38px;height:38px;border-radius:12px 12px 12px 4px;background:linear-gradient(145deg,var(--coral),var(--berry));display:grid;place-items:center;color:#fff;font-size:18px;font-weight:900;box-shadow:0 7px 15px rgba(166,51,114,.22)}
.logo span{font-size:15px;line-height:1.25}
.nav-links{display:flex;align-items:center;gap:4px;flex:1}
.nav-links a{padding:9px 12px;color:#5e5361;font-size:14px;border-radius:10px;transition:.25s}
.nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--berry-dark);background:var(--rose)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-download{color:var(--berry-dark);font-size:14px;font-weight:700}
.menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:11px;padding:12px 20px;font-weight:700;transition:transform .25s,box-shadow .25s,background .25s}
.btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(106,36,85,.16)}
.btn-primary{background:var(--berry);color:#fff}
.btn-primary:hover{background:var(--berry-dark)}
.btn-light{background:#fff;color:var(--berry-dark);border-color:var(--line)}
.btn-dark{background:var(--plum);color:#fff}
.btn:focus-visible,.nav-links a:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(229,107,114,.35);outline-offset:3px}
.hero{background:var(--plum);color:#fff;position:relative;overflow:hidden;padding:92px 0 88px}
.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(1px);opacity:.28}
.hero:before{width:430px;height:430px;right:-100px;top:-150px;background:var(--coral)}
.hero:after{width:280px;height:280px;left:41%;bottom:-180px;background:#bb4e9b}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-weight:700;font-size:13px;margin-bottom:18px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--mint)}
.hero h1{font-size:clamp(35px,4.3vw,60px);line-height:1.2;letter-spacing:-1.8px;max-width:700px}
.hero-copy{margin:22px 0 30px;color:#eadfe8;max-width:620px;font-size:17px}
.hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
.hero .btn-primary{background:var(--coral)}
.hero .btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.hero-art{min-height:355px;position:relative;display:grid;place-items:center}
.orbit{width:310px;height:310px;border:1px solid rgba(255,255,255,.22);border-radius:50%;position:relative;transform:rotate(-18deg)}
.orbit:before,.orbit:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.15);border-radius:50%;inset:35px;transform:rotate(55deg)}
.orbit:after{inset:78px;transform:rotate(-40deg)}
.art-core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:150px;height:180px;border-radius:78px 78px 32px 32px;background:linear-gradient(150deg,#f19a9b,#b63c7d 63%,#642651);box-shadow:0 28px 45px rgba(0,0,0,.2);display:flex;align-items:center;justify-content:center}
.art-core strong{font-size:45px;color:#fff;letter-spacing:-4px}
.art-chip{position:absolute;padding:9px 13px;border-radius:9px;background:#fff;color:var(--plum);font-weight:800;box-shadow:0 10px 22px rgba(0,0,0,.18);font-size:13px}
.chip-one{top:25px;right:18px}.chip-two{bottom:42px;left:2px;background:var(--mint)}.chip-three{bottom:4px;right:40px;background:#ffd4c5}
.section{padding:92px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
.section-kicker{color:var(--berry);font-weight:800;font-size:13px;letter-spacing:1px}
.section h2{font-size:32px;line-height:1.25;letter-spacing:-.8px;margin-top:6px}
.section-lead{color:var(--muted);max-width:570px}
.quick-bar{margin-top:-33px;position:relative;z-index:3}
.quick-inner{background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;display:grid;grid-template-columns:repeat(6,1fr);box-shadow:var(--shadow)}
.quick-item{padding:15px 14px;border-right:1px solid var(--line);transition:.2s}
.quick-item:last-child{border:0}
.quick-item:hover{background:var(--rose);border-radius:10px}
.quick-item small{display:block;color:var(--berry);font-weight:700;font-size:11px}
.quick-item b{font-size:15px}
.feature-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:22px}
.feature-main,.feature-side article{border-radius:var(--radius);overflow:hidden;position:relative}
.feature-main{min-height:385px;padding:34px;background:linear-gradient(135deg,#4c214b,#812b62 65%,#d86673);color:#fff;display:flex;flex-direction:column;justify-content:end}
.feature-main:before{content:"C7";position:absolute;right:35px;top:28px;font-size:150px;font-weight:900;color:rgba(255,255,255,.09);line-height:1}
.feature-main p{max-width:500px;color:#f6e5ed;margin:12px 0 19px}
.feature-main h3{font-size:28px;line-height:1.35;max-width:600px;position:relative}
.feature-side{display:grid;gap:22px}
.feature-side article{background:#fff;border:1px solid var(--line);padding:24px;min-height:181px;transition:.25s}
.feature-side article:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card-tag,.meta-tag{display:inline-block;padding:4px 9px;border-radius:6px;background:var(--rose);color:var(--berry-dark);font-size:12px;font-weight:800}
.feature-side h3{font-size:19px;line-height:1.45;margin:14px 0 7px}
.feature-side p{font-size:13px;color:var(--muted)}
.content-section{background:#f8eff2}
.news-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
.news-main{background:#fff;border-radius:var(--radius);padding:30px;border:1px solid var(--line)}
.news-main h3{font-size:24px;line-height:1.4;margin:15px 0 10px}
.news-main p{color:var(--muted)}
.news-list{display:grid;gap:12px}
.news-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;display:grid;grid-template-columns:1fr auto;gap:12px;transition:.2s}
.news-item:hover{border-color:#d89ab5;transform:translateX(3px)}
.news-item h3{font-size:16px;line-height:1.45}
.news-item p{font-size:13px;color:var(--muted);margin-top:5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;gap:12px;color:#9a8e99;font-size:12px;margin-top:10px}
.news-arrow{color:var(--berry);font-size:22px;align-self:center}
.empty-state{padding:35px;text-align:center;background:#fff;border:1px dashed #d9bdc9;border-radius:14px;color:var(--muted)}
.app-section{padding:78px 0;background:var(--plum-2);color:#fff;overflow:hidden}
.app-grid{display:grid;grid-template-columns:.75fr 1.25fr;align-items:center;gap:70px}
.device{height:315px;width:190px;margin:auto;border:8px solid #211329;border-radius:30px;background:linear-gradient(160deg,#f39491,#8e2c6e);box-shadow:24px 25px 0 rgba(255,255,255,.1),0 22px 45px rgba(0,0,0,.25);position:relative;padding:42px 18px}
.device:before{content:"";position:absolute;top:13px;left:50%;transform:translateX(-50%);width:58px;height:5px;border-radius:4px;background:#211329}
.device-card{height:85px;border-radius:15px;background:rgba(255,255,255,.8);margin-bottom:12px;padding:12px;color:var(--plum);font-weight:800}
.app-copy h2{font-size:34px;line-height:1.3;margin:8px 0 13px}
.app-copy p{color:#eadbe8;max-width:570px;margin-bottom:22px}
.app-points{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
.app-points span{padding:8px 12px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);border-radius:8px;color:#f6eaf3;font-size:13px}
.path-section{background:#fff}
.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.path-card{padding:25px;border:1px solid var(--line);border-radius:16px;background:var(--cream)}
.path-num{width:35px;height:35px;border-radius:10px;background:var(--berry);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:18px}
.path-card h3{font-size:18px;margin-bottom:7px}.path-card p{color:var(--muted);font-size:14px}
.faq-wrap{max-width:840px;margin:auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;border:0;background:transparent;text-align:left;padding:20px 4px;font-weight:800;color:var(--ink);display:flex;justify-content:space-between;align-items:center}
.faq-question span{color:var(--berry);font-size:23px}
.faq-answer{display:none;padding:0 45px 20px 4px;color:var(--muted)}
.faq-item.open .faq-answer{display:block}
.cta-strip{margin:0 0 80px;background:linear-gradient(100deg,var(--berry-dark),var(--coral));border-radius:20px;padding:36px 44px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:22px}
.cta-strip h2{font-size:26px;line-height:1.35}.cta-strip p{color:#f9e9ee;margin-top:5px}
.site-footer{background:#28152f;color:#fff;padding:58px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px;padding-bottom:45px}
.footer-brand p{color:#cdbdca;max-width:290px;margin-top:15px;font-size:13px}
.footer-title{font-weight:800;margin-bottom:15px}.footer-links{display:grid;gap:9px}.footer-links a{color:#cdbdca;font-size:13px;transition:.2s}.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:20px;color:#ad9baa;font-size:12px;display:flex;justify-content:space-between;gap:20px}
@media(max-width:1024px){.nav-links a{padding:8px 7px;font-size:13px}.logo{min-width:205px}.hero-grid{gap:35px}.quick-inner{grid-template-columns:repeat(3,1fr)}.quick-item:nth-child(3){border-right:0}.quick-item:nth-child(-n+3){border-bottom:1px solid var(--line)}}
@media(max-width:768px){.container{width:min(100% - 32px,var(--container))}.navbar{height:68px}.logo{min-width:0;flex:1}.logo span{font-size:13px}.nav-links{display:none;position:absolute;left:16px;right:16px;top:74px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:12px 15px}.nav-actions .nav-download{display:none}.menu-toggle{display:block}.hero{padding:66px 0 70px}.hero-grid{grid-template-columns:1fr}.hero h1{font-size:38px}.hero-art{min-height:280px}.orbit{width:250px;height:250px}.quick-inner{grid-template-columns:repeat(2,1fr)}.quick-item:nth-child(3){border-right:1px solid var(--line)}.quick-item:nth-child(even){border-right:0}.quick-item:nth-child(-n+4){border-bottom:1px solid var(--line)}.section{padding:66px 0}.section-head{display:block}.section-lead{margin-top:12px}.feature-grid,.news-layout,.app-grid{grid-template-columns:1fr}.app-grid{gap:40px}.app-copy{order:-1}.path-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.cta-strip{display:block;padding:30px;margin-bottom:55px}.cta-strip .btn{margin-top:20px}}
@media(max-width:520px){body{font-size:14px}.hero h1{font-size:32px;letter-spacing:-1px}.hero-copy{font-size:15px}.hero-buttons .btn{width:100%}.quick-inner{grid-template-columns:1fr}.quick-item,.quick-item:nth-child(3){border-right:0!important;border-bottom:1px solid var(--line)!important}.quick-item:last-child{border-bottom:0!important}.feature-main{min-height:340px;padding:25px}.feature-main h3{font-size:23px}.news-main{padding:22px}.news-item{grid-template-columns:1fr}.news-arrow{display:none}.device{transform:scale(.88)}.app-copy h2{font-size:28px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}

/* roulang page: index */
:root{
  --berry:#b83367;
  --berry-dark:#8e2452;
  --coral:#ed6f78;
  --plum:#351d43;
  --plum-2:#4b2853;
  --cream:#fffaf8;
  --paper:#ffffff;
  --rose:#f8edf0;
  --mist:#f2e9eb;
  --ink:#2d2330;
  --muted:#756b76;
  --line:#eadde1;
  --mint:#b7ead9;
  --radius:18px;
  --shadow:0 16px 38px rgba(77,35,59,.10);
  --soft-shadow:0 8px 22px rgba(77,35,59,.07);
  --max:1220px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;background:var(--cream);color:var(--ink);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.site-header{height:78px;background:rgba(255,250,248,.94);border-bottom:1px solid rgba(234,221,225,.8);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.header-inner{height:100%;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;min-width:290px}
.brand-mark{width:40px;height:40px;border-radius:13px;background:linear-gradient(135deg,var(--berry),var(--coral));display:grid;place-items:center;color:#fff;font-weight:800;font-size:19px;box-shadow:0 7px 15px rgba(184,51,103,.22)}
.brand-name{font-weight:800;line-height:1.18;font-size:15px;color:var(--plum)}
.brand-name small{display:block;font-size:11px;color:var(--berry);letter-spacing:.08em;margin-top:3px}
.main-nav{display:flex;align-items:center;gap:5px;flex:1}
.main-nav a{padding:9px 12px;color:var(--muted);font-size:14px;border-radius:10px;transition:.22s ease;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--berry);background:var(--rose)}
.header-action{display:inline-flex;align-items:center;justify-content:center;padding:11px 18px;border-radius:11px;background:var(--berry);color:#fff;font-size:14px;font-weight:700;transition:.22s ease;white-space:nowrap}
.header-action:hover,.btn-primary:hover{background:var(--berry-dark);transform:translateY(-2px);box-shadow:0 10px 20px rgba(142,36,82,.2)}
.menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px}
.hero{position:relative;overflow:hidden;background:var(--plum);color:#fff;padding:92px 0 84px}
.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(2px);opacity:.45}
.hero:before{width:390px;height:390px;background:var(--coral);right:-110px;top:-170px}
.hero:after{width:280px;height:280px;background:#8f326f;left:39%;bottom:-220px}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.06fr .94fr;gap:70px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#ffd8df;font-size:13px;font-weight:700;letter-spacing:.06em;margin-bottom:19px}
.eyebrow i{width:8px;height:8px;background:var(--mint);border-radius:50%;box-shadow:0 0 0 5px rgba(183,234,217,.13)}
.hero h1{font-size:clamp(34px,4.5vw,62px);line-height:1.2;letter-spacing:-.04em;max-width:690px;margin-bottom:22px}
.hero-copy{color:#eadfe7;max-width:620px;font-size:17px;line-height:1.9}
.hero-actions{display:flex;gap:13px;margin-top:32px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border-radius:12px;font-weight:700;font-size:15px;transition:.22s ease}
.btn-primary{background:var(--coral);color:#fff}
.btn-secondary{border:1px solid rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.08)}
.btn-secondary:hover{background:#fff;color:var(--plum);transform:translateY(-2px)}
.hero-note{margin-top:25px;color:#c9b8c5;font-size:13px;display:flex;gap:18px;flex-wrap:wrap}
.hero-note span{display:flex;align-items:center;gap:7px}
.hero-note b{color:var(--mint);font-size:17px}
.hero-art{min-height:390px;position:relative;display:grid;place-items:center}
.orbit{width:310px;height:310px;border:1px solid rgba(255,255,255,.22);border-radius:50%;position:relative;transform:rotate(-17deg)}
.orbit:before,.orbit:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.16);border-radius:50%;inset:35px}
.orbit:after{inset:77px}
.art-core{position:absolute;inset:74px;border-radius:28px;background:linear-gradient(145deg,#f29a9d,#a62c68);display:flex;flex-direction:column;justify-content:flex-end;padding:24px;color:#fff;box-shadow:0 24px 45px rgba(0,0,0,.2);transform:rotate(17deg)}
.art-core strong{font-size:39px;line-height:1;margin-bottom:5px}
.art-core span{font-size:13px;color:#ffe7e6}
.float-tag{position:absolute;background:#fff;color:var(--plum);padding:10px 14px;border-radius:12px;font-size:13px;font-weight:700;box-shadow:var(--shadow)}
.tag-a{right:0;top:55px}.tag-b{left:10px;bottom:60px;background:var(--mint)}
.section{padding:88px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.section-kicker{font-size:13px;color:var(--berry);font-weight:800;letter-spacing:.08em;margin-bottom:8px}
.section h2{font-size:clamp(27px,3vw,40px);line-height:1.25;color:var(--plum);letter-spacing:-.03em}
.section-intro{max-width:510px;color:var(--muted);font-size:15px}
.quick-bar{padding:25px 0;background:#fff;border-bottom:1px solid var(--line)}
.quick-list{display:grid;grid-template-columns:1.25fr repeat(5,1fr);gap:10px}
.quick-item{padding:17px 16px;border-right:1px solid var(--line);transition:.2s}
.quick-item:last-child{border:0}.quick-item:hover{background:var(--rose);border-radius:12px}
.quick-item b{display:block;color:var(--plum);font-size:15px}.quick-item span{font-size:12px;color:var(--muted)}
.quick-item:first-child b{color:var(--berry)}
.feature{background:var(--rose)}
.feature-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:20px}
.feature-main{min-height:360px;background:linear-gradient(145deg,#5d2c5d,#9f3569);border-radius:var(--radius);padding:34px;color:#fff;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end}
.feature-main:before{content:"C7";position:absolute;right:32px;top:-35px;font-size:190px;font-weight:900;color:rgba(255,255,255,.08);line-height:1}
.feature-main h3{font-size:30px;line-height:1.35;max-width:520px;margin:8px 0 12px;position:relative}
.feature-main p{color:#f0dfe7;max-width:560px;position:relative}
.feature-main .text-link{margin-top:20px;position:relative}
.content-stack{display:grid;gap:20px}
.mini-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;justify-content:space-between;min-height:170px;transition:.2s}
.mini-card:hover,.news-item:hover{transform:translateY(-3px);box-shadow:var(--soft-shadow);border-color:#dcb7c4}
.mini-top{display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:12px}
.mini-card h3{font-size:19px;line-height:1.45;color:var(--plum);margin-top:12px}
.badge{display:inline-block;padding:4px 9px;border-radius:6px;background:#fde3e5;color:var(--berry);font-size:12px;font-weight:700}
.text-link{font-size:14px;font-weight:700;color:var(--berry)}
.news-layout{display:grid;grid-template-columns:.86fr 1.14fr;gap:48px;align-items:start}
.news-lead{background:var(--plum);color:#fff;border-radius:var(--radius);padding:31px;min-height:305px}
.news-lead .badge{background:rgba(255,255,255,.13);color:#ffd2d9}.news-lead h3{font-size:27px;line-height:1.4;margin:17px 0 14px}.news-lead p{color:#ddceda;font-size:14px}
.news-list{display:grid;gap:0}
.news-item{padding:18px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:90px 1fr auto;gap:18px;align-items:center;transition:.2s}
.news-item:first-child{padding-top:0}.news-item:last-child{border-bottom:0}
.news-date{font-size:13px;color:var(--muted)}.news-item h3{font-size:17px;line-height:1.45;color:var(--plum)}.news-item p{font-size:13px;color:var(--muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.arrow{color:var(--berry);font-size:21px}
.empty-state{padding:30px;border:1px dashed #dcb9c5;border-radius:14px;color:var(--muted);background:#fff}
.download{background:var(--mist);padding:78px 0}
.download-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:center}
.device-stage{min-height:325px;border-radius:26px;background:linear-gradient(135deg,#eaa0a5,#76305b);display:grid;place-items:center;position:relative;overflow:hidden}
.device{width:160px;height:278px;background:#21182a;border:7px solid #fff;border-radius:27px;box-shadow:0 18px 35px rgba(53,29,67,.25);padding:12px;display:flex;align-items:end;transform:rotate(-8deg)}
.device-screen{height:100%;width:100%;border-radius:16px;background:linear-gradient(160deg,#f5b4b2 5%,#812b62 65%,#351d43);display:flex;align-items:end;padding:15px;color:#fff;font-size:12px;font-weight:700}
.download h2{margin-bottom:15px}.download p{color:var(--muted);max-width:560px}.download-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}.download-point{padding:14px;background:#fff;border:1px solid var(--line);border-radius:12px}.download-point b{display:block;color:var(--berry);font-size:20px}.download-point span{font-size:12px;color:var(--muted)}
.qr{margin-top:20px;display:flex;align-items:center;gap:14px;color:var(--muted);font-size:13px}.qr-box{width:64px;height:64px;background:#fff;border:8px solid #fff;box-shadow:inset 0 0 0 1px var(--line);background-image:repeating-linear-gradient(45deg,#351d43 0 3px,transparent 3px 7px)}
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.path-card{padding:24px 20px;border-top:3px solid var(--coral);background:#fff;border-radius:14px;box-shadow:var(--soft-shadow)}
.path-card strong{display:flex;align-items:center;gap:10px;color:var(--plum);font-size:17px}.path-card em{font-style:normal;color:var(--berry);font-size:13px}.path-card p{color:var(--muted);font-size:13px;margin-top:10px}
.faq{background:#fff}.faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}.faq-copy p{color:var(--muted);margin-top:14px}.faq-list{display:grid;gap:10px}.faq-item{border:1px solid var(--line);border-radius:13px;padding:18px 21px;background:var(--cream)}.faq-item summary{cursor:pointer;font-weight:700;color:var(--plum);list-style:none;display:flex;justify-content:space-between}.faq-item summary:after{content:"＋";color:var(--berry);font-size:20px}.faq-item[open] summary:after{content:"－"}.faq-item p{color:var(--muted);font-size:14px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.bottom-cta{padding:35px 0;background:var(--berry);color:#fff}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}.bottom-cta h2{font-size:28px;line-height:1.35}.bottom-cta p{color:#ffe2e5;font-size:14px;margin-top:5px}.cta-buttons{display:flex;gap:10px;flex-shrink:0}.cta-buttons .btn-primary{background:#fff;color:var(--berry)}.cta-buttons .btn-secondary{border-color:rgba(255,255,255,.55)}
.site-footer{background:var(--plum);color:#fff;padding:55px 0 23px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:35px;padding-bottom:42px}.footer-brand p{color:#cbbbc8;font-size:14px;max-width:300px;margin-top:15px}.footer-title{font-weight:700;margin-bottom:13px}.footer-links{display:grid;gap:7px}.footer-links a{color:#cbbbc8;font-size:13px;transition:.2s}.footer-links a:hover{color:#ffd2d9}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:19px;color:#a996a6;font-size:12px;display:flex;justify-content:space-between;gap:20px}
:focus-visible{outline:3px solid rgba(237,111,120,.5);outline-offset:3px}
@media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:13px}.brand{min-width:245px}.hero-grid{gap:35px}.quick-list{grid-template-columns:repeat(3,1fr)}.quick-item:nth-child(3){border:0}.footer-grid{grid-template-columns:1.5fr repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(100% - 32px,620px)}.site-header{height:68px}.header-inner{justify-content:space-between}.brand{min-width:0}.brand-name{font-size:13px}.main-nav{display:none;position:absolute;left:16px;right:16px;top:76px;background:#fff;padding:10px;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px}.header-action{font-size:12px;padding:9px 12px}.menu-toggle{display:block}.hero{padding:64px 0 58px}.hero-grid,.download-grid,.news-layout,.faq-grid{grid-template-columns:1fr}.hero-art{min-height:300px;order:2}.orbit{width:255px;height:255px}.art-core{inset:60px}.section{padding:62px 0}.section-head{display:block}.section-intro{margin-top:12px}.feature-grid{grid-template-columns:1fr}.feature-main{min-height:310px}.path-grid{grid-template-columns:repeat(2,1fr)}.download-grid{gap:30px}.device-stage{min-height:280px}.cta-inner{display:block}.cta-buttons{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media(max-width:520px){.hero h1{font-size:34px}.hero-copy{font-size:15px}.hero-actions,.hero-actions .btn,.cta-buttons,.cta-buttons .btn{width:100%}.quick-list{grid-template-columns:repeat(2,1fr)}.quick-item{border-right:0;border-bottom:1px solid var(--line)}.news-item{grid-template-columns:1fr auto;gap:5px}.news-date{grid-column:1/-1}.news-item p{white-space:normal}.download-points{grid-template-columns:1fr}.path-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}}

/* roulang page: article */
:root{
      --berry:#a63372;
      --berry-dark:#772557;
      --coral:#e56b72;
      --plum:#351a3d;
      --plum-2:#512348;
      --ink:#281f2b;
      --muted:#756b79;
      --cream:#fffaf7;
      --paper:#fff;
      --rose:#f7edf1;
      --line:#eadde2;
      --mint:#b9e8d6;
      --white:#fff;
      --radius:18px;
      --shadow:0 16px 36px rgba(75,34,63,.09);
      --soft-shadow:0 8px 22px rgba(75,34,63,.07);
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--cream);
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      font-size:15px;
      line-height:1.8;
    }
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--berry-dark)}
    img{display:block;max-width:100%;height:auto}
    button{font:inherit;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:20;
      background:rgba(255,250,247,.95);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(234,221,226,.85);
    }
    .navbar{height:78px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:235px;color:var(--plum);font-weight:800}
    .brand-mark{
      width:38px;height:38px;border-radius:12px 12px 12px 4px;
      display:grid;place-items:center;color:#fff;font-size:18px;font-weight:900;
      background:linear-gradient(145deg,var(--coral),var(--berry));
      box-shadow:0 7px 15px rgba(166,51,114,.22);
    }
    .brand-name{font-size:15px;line-height:1.25}
    .brand-name small{display:block;font-size:11px;color:var(--muted);font-weight:600;margin-top:2px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{
      padding:9px 12px;border-radius:10px;color:#5e5361;font-size:14px;
      transition:.25s ease;
    }
    .main-nav a:hover,.main-nav a:focus,.main-nav a.active{
      color:var(--berry-dark);background:var(--rose)
    }
    .nav-actions{display:flex;align-items:center;gap:14px}
    .nav-download{color:var(--berry-dark);font-size:14px;font-weight:700}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:1px solid transparent;border-radius:11px;padding:11px 19px;
      font-weight:700;transition:transform .25s,box-shadow .25s,background .25s;
    }
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(106,36,85,.16)}
    .btn-primary{background:var(--berry);color:#fff}
    .btn-primary:hover{background:var(--berry-dark);color:#fff}
    .btn-light{background:#fff;color:var(--berry-dark);border-color:var(--line)}
    .btn-dark{background:var(--plum);color:#fff}
    .btn:focus-visible,.main-nav a:focus-visible,.faq-question:focus-visible{
      outline:3px solid rgba(229,107,114,.35);outline-offset:3px
    }
    .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:26px}
    .article-hero{
      position:relative;overflow:hidden;padding:72px 0 68px;
      color:#fff;background:var(--plum);
    }
    .article-hero:before,.article-hero:after{
      content:"";position:absolute;border-radius:50%;opacity:.28
    }
    .article-hero:before{width:390px;height:390px;right:-110px;top:-170px;background:var(--coral)}
    .article-hero:after{width:260px;height:260px;left:46%;bottom:-185px;background:#bb4e9b}
    .article-hero-inner{position:relative;z-index:1;max-width:900px}
    .breadcrumb{
      display:flex;align-items:center;gap:9px;flex-wrap:wrap;
      color:#d9cbd7;font-size:13px;margin-bottom:24px
    }
    .breadcrumb a{color:var(--mint)}
    .breadcrumb span{opacity:.65}
    .article-label{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--mint);font-size:13px;font-weight:800;margin-bottom:16px
    }
    .article-label:before{content:"";width:24px;height:2px;background:var(--mint)}
    .article-hero h1{
      max-width:860px;margin:0;font-size:clamp(31px,4vw,54px);
      line-height:1.28;letter-spacing:-1.4px
    }
    .article-meta{display:flex;gap:18px;flex-wrap:wrap;color:#eadfe8;margin-top:22px;font-size:14px}
    .article-meta strong{color:#fff}
    .reading-layout{
      display:grid;grid-template-columns:minmax(0,800px) 290px;
      gap:42px;align-items:start;padding:68px 0 88px
    }
    .article-card{
      background:var(--paper);border:1px solid var(--line);
      border-radius:var(--radius);padding:clamp(25px,4vw, fiftypx);
      box-shadow:var(--soft-shadow)
    }
    .article-card{padding:clamp(26px,4vw,50px)}
    .article-intro{
      margin:-8px 0 30px;padding:18px 20px;border-left:4px solid var(--coral);
      background:var(--rose);color:#5f4b5a;border-radius:0 12px 12px 0
    }
    .article-content{font-size:16px;line-height:1.95;color:#403541}
    .article-content h2{color:var(--plum);font-size:28px;line-height:1.4;margin:38px 0 15px}
    .article-content h3{color:var(--berry-dark);font-size:21px;line-height:1.5;margin:30px 0 12px}
    .article-content p{margin:0 0 20px}
    .article-content ul,.article-content ol{padding-left:1.5em;margin:12px 0 24px}
    .article-content li{margin:7px 0}
    .article-content blockquote{
      margin:26px 0;padding:18px 22px;background:#fff5f2;
      border-left:4px solid var(--coral);color:#654c59;border-radius:0 12px 12px 0
    }
    .article-content img{border-radius:14px;margin:26px auto}
    .article-content table{width:100%;border-collapse:collapse;margin:25px 0}
    .article-content th,.article-content td{padding:11px 13px;border:1px solid var(--line);text-align:left}
    .article-content th{background:var(--rose);color:var(--plum)}
    .article-empty{text-align:center;padding:70px 20px;color:var(--muted)}
    .article-empty h2{color:var(--plum);margin:0 0 12px}
    .side-stack{display:grid;gap:18px;position:sticky;top:102px}
    .side-card{
      background:#fff;border:1px solid var(--line);border-radius:16px;padding:23px;
      box-shadow:var(--soft-shadow)
    }
    .side-card.dark{color:#fff;background:var(--plum);border-color:var(--plum)}
    .side-kicker{font-size:12px;color:var(--berry);font-weight:800;letter-spacing:.5px}
    .dark .side-kicker{color:var(--mint)}
    .side-card h3{font-size:20px;line-height:1.45;margin:8px 0 10px;color:var(--plum)}
    .dark h3{color:#fff}
    .side-card p{font-size:13px;color:var(--muted);margin:0 0 18px}
    .dark p{color:#e5d7e2}
    .side-links{display:grid;gap:8px}
    .side-links a{padding:9px 10px;border-radius:9px;background:var(--rose);font-size:13px;font-weight:700}
    .side-links a:hover{background:#f0dce4}
    .article-bottom{
      display:flex;justify-content:space-between;gap:16px;
      margin-top:40px;padding-top:26px;border-top:1px solid var(--line)
    }
    .article-bottom a{color:var(--berry-dark);font-weight:700;font-size:14px}
    .cta-strip{
      padding:38px 0;background:var(--rose);border-top:1px solid var(--line)
    }
    .cta-inner{
      display:flex;align-items:center;justify-content:space-between;gap:25px;
      padding:30px 34px;border-radius:var(--radius);background:linear-gradient(110deg,var(--berry-dark),var(--berry));
      color:#fff;box-shadow:var(--shadow)
    }
    .cta-inner h2{margin:0 0 5px;font-size:25px;line-height:1.4}
    .cta-inner p{margin:0;color:#f5e4eb}
    .cta-actions{display:flex;gap:10px;flex-shrink:0}
    .cta-inner .btn-light{border-color:rgba(255,255,255,.3)}
    .site-footer{padding:58px 0 22px;background:var(--plum);color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1fr;gap:35px}
    .footer-brand .brand-name{color:#fff}
    .footer-brand .brand-name small{color:#dbcbd8}
    .footer-brand p{max-width:330px;color:#d8c9d5;font-size:13px;margin:17px 0 0}
    .footer-title{font-weight:800;margin-bottom:13px;color:#fff}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#d6c7d4;font-size:13px;transition:.2s}
    .footer-links a:hover{color:var(--mint);transform:translateX(2px)}
    .footer-bottom{
      display:flex;justify-content:space-between;gap:20px;
      border-top:1px solid rgba(255,255,255,.14);margin-top:42px;padding-top:18px;
      color:#baa9b8;font-size:12px
    }
    @media(max-width:1024px){
      .navbar{gap:14px}.brand{min-width:205px}.main-nav a{padding:8px 7px;font-size:13px}
      .nav-download{display:none}.reading-layout{grid-template-columns:minmax(0,1fr) 250px;gap:25px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .navbar{height:68px}.menu-toggle{display:block;margin-left:auto;order:3}
      .nav-actions{order:2}.nav-actions .btn{padding:8px 12px;font-size:13px}
      .main-nav{
        display:none;position:absolute;left:16px;right:16px;top:68px;padding:10px;
        background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);
        flex-direction:column;align-items:stretch
      }
      .main-nav.open{display:flex}.main-nav a{padding:11px 13px}
      .brand{min-width:0}.brand-name{font-size:13px}.brand-mark{width:34px;height:34px}
      .article-hero{padding:52px 0 50px}.article-hero h1{font-size:34px}
      .reading-layout{display:block;padding:42px 0 58px}.side-stack{position:static;margin-top:24px}
      .cta-inner{display:block;padding:25px}.cta-actions{margin-top:20px;flex-wrap:wrap}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }
    @media(max-width:480px){
      .brand-name small{font-size:10px}.article-hero h1{font-size:29px}
      .article-meta{display:grid;gap:5px}.article-card{padding:22px 18px}
      .article-content{font-size:15px}.article-content h2{font-size:23px}
      .article-bottom{display:grid;gap:12px}.cta-actions,.cta-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category1 */
:root{
    --berry:#a63372;--berry-dark:#772557;--coral:#e56b72;--plum:#351a3d;
    --plum-2:#512348;--ink:#281f2b;--muted:#756b79;--cream:#fffaf7;
    --rose:#f7edf1;--line:#eadde2;--mint:#b9e8d6;--white:#fff;
    --radius:18px;--shadow:0 16px 36px rgba(75,34,63,.09);
    --soft-shadow:0 8px 22px rgba(77,35,59,.07);--container:1220px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--cream);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.75}
  a{color:inherit;text-decoration:none}
  img{display:block;max-width:100%}
  button,input{font:inherit}
  button{cursor:pointer}
  .container{width:min(var(--container),calc(100% - 48px));margin:auto}
  .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,247,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(234,221,226,.85)}
  .navbar{height:78px;display:flex;align-items:center;gap:26px}
  .brand{display:flex;align-items:center;gap:11px;min-width:245px;color:var(--plum);font-weight:800}
  .brand-mark{width:39px;height:39px;border-radius:12px 12px 12px 4px;background:linear-gradient(145deg,var(--coral),var(--berry));display:grid;place-items:center;color:#fff;font-size:18px;font-weight:900;box-shadow:0 7px 15px rgba(166,51,114,.22)}
  .brand-name{font-size:15px;line-height:1.25}
  .brand-name small{display:block;color:var(--muted);font-size:11px;font-weight:600;margin-top:2px}
  .main-nav{display:flex;align-items:center;gap:3px;flex:1}
  .main-nav a{padding:9px 11px;color:#5e5361;font-size:14px;border-radius:10px;transition:.25s}
  .main-nav a:hover,.main-nav a:focus,.main-nav a.active{color:var(--berry-dark);background:var(--rose)}
  .nav-actions{display:flex;align-items:center;gap:14px}
  .nav-download{color:var(--berry-dark);font-size:14px;font-weight:700}
  .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:25px}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:11px;padding:11px 19px;font-weight:700;transition:.25s}
  .btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(106,36,85,.16)}
  .btn-primary{background:var(--berry);color:#fff}.btn-primary:hover{background:var(--berry-dark)}
  .btn-light{background:#fff;color:var(--berry-dark);border-color:var(--line)}
  .btn-dark{background:var(--plum);color:#fff}
  .btn:focus-visible,.main-nav a:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(229,107,114,.35);outline-offset:3px}
  .page-hero{background:var(--plum);color:#fff;padding:74px 0 70px;position:relative;overflow:hidden}
  .page-hero:after{content:"C7";position:absolute;right:8%;top:-35px;color:rgba(255,255,255,.07);font-size:220px;font-weight:900;line-height:1}
  .hero-inner{position:relative;z-index:1;max-width:770px}
  .eyebrow,.section-kicker{color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.5px}
  .eyebrow:before{content:"";display:inline-block;width:24px;height:2px;background:var(--mint);vertical-align:middle;margin-right:9px}
  h1,h2,h3,p{margin-top:0}
  h1{font-size:clamp(34px,5vw,58px);line-height:1.2;letter-spacing:-1.5px;margin:15px 0 20px}
  .hero-copy{color:#eadfe8;font-size:17px;max-width:690px;margin-bottom:27px}
  .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
  .breadcrumb{padding:22px 0 0;color:var(--muted);font-size:13px}
  .breadcrumb a{color:var(--berry-dark);font-weight:700}
  .breadcrumb span{margin:0 8px;color:#b9aeb7}
  .section{padding:76px 0}
  .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
  .section-kicker{color:var(--berry)}
  h2{font-size:31px;line-height:1.3;letter-spacing:-.7px;margin:6px 0 0}
  .section-lead{color:var(--muted);max-width:590px;margin:0}
  .news-layout{display:grid;grid-template-columns:1.28fr .72fr;gap:24px}
  .lead-news{background:linear-gradient(135deg,#4b2149,#812b62 65%,#d86673);border-radius:var(--radius);min-height:405px;padding:34px;color:#fff;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}
  .lead-news:before{content:"NEWS";position:absolute;right:-12px;top:34px;font-size:75px;font-weight:900;color:rgba(255,255,255,.1)}
  .tag{display:inline-block;width:max-content;padding:4px 10px;border-radius:6px;background:var(--rose);color:var(--berry-dark);font-size:12px;font-weight:800}
  .lead-news .tag{background:var(--mint)}
  .lead-news h3{font-size:29px;line-height:1.35;max-width:650px;margin:16px 0 10px;position:relative}
  .lead-news p{color:#f6e5ed;max-width:590px;margin-bottom:20px}
  .meta{font-size:12px;color:var(--muted)}
  .lead-news .meta{color:#ead3df}
  .news-list{display:grid;gap:13px}
  .news-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:19px 21px;display:flex;justify-content:space-between;gap:18px;transition:.22s}
  .news-item:hover{border-color:#d89ab5;transform:translateX(3px);box-shadow:var(--soft-shadow)}
  .news-item h3{font-size:17px;line-height:1.45;margin:10px 0 5px}
  .news-item p{font-size:13px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .arrow{color:var(--berry);font-size:22px;align-self:center}
  .rose-section{background:#f8eff2}
  .timeline{position:relative;max-width:940px;margin:auto;padding-left:35px}
  .timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:#e7cbd8}
  .timeline-item{position:relative;padding:0 0 30px 24px}
  .timeline-item:before{content:"";position:absolute;left:-33px;top:8px;width:16px;height:16px;border:4px solid var(--coral);background:var(--cream);border-radius:50%}
  .timeline-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:22px 25px;display:flex;justify-content:space-between;gap:25px}
  .timeline-card h3{font-size:19px;margin:8px 0 5px;line-height:1.4}
  .timeline-card p{color:var(--muted);margin:0}
  .date{color:var(--berry-dark);font-size:13px;font-weight:800;white-space:nowrap}
  .topics{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
  .topic{background:#fff;border:1px solid var(--line);border-radius:16px;padding:23px;min-height:150px;transition:.25s}
  .topic:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d89ab5}
  .topic-icon{width:38px;height:38px;border-radius:11px;background:var(--rose);color:var(--berry);display:grid;place-items:center;font-weight:900;margin-bottom:14px}
  .topic h3{font-size:17px;margin-bottom:6px}
  .topic p{font-size:13px;color:var(--muted);margin:0}
  .app-strip{background:var(--plum-2);color:#fff;border-radius:22px;padding:42px 48px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}
  .app-strip:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-80px;top:-120px;background:rgba(229,107,114,.25)}
  .app-strip h2{position:relative;z-index:1;margin-bottom:9px}
  .app-strip p{color:#eadfe8;max-width:620px;margin:0;position:relative;z-index:1}
  .app-strip .btn{position:relative;z-index:1;white-space:nowrap}
  .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:50px;align-items:start}
  .faq-intro p{color:var(--muted)}
  .faq-list{display:grid;gap:10px}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;overflow:hidden}
  .faq-question{width:100%;border:0;background:transparent;text-align:left;padding:19px 22px;color:var(--ink);font-weight:800;display:flex;justify-content:space-between}
  .faq-question span{color:var(--berry);font-size:20px;line-height:1}
  .faq-answer{padding:0 22px 19px;color:var(--muted);font-size:14px}
  .cta{padding:58px 0;background:var(--rose)}
  .cta-box{display:flex;justify-content:space-between;align-items:center;gap:25px}
  .cta-box h2{margin-bottom:8px}.cta-box p{margin:0;color:var(--muted)}
  .cta-actions{display:flex;gap:10px;flex-wrap:wrap}
  .site-footer{background:var(--plum);color:#eadfe8;padding:58px 0 20px}
  .footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:35px}
  .footer-brand .brand{color:#fff;margin-bottom:18px}
  .footer-brand p{color:#cdbdcb;max-width:330px;font-size:13px}
  .footer-title{color:#fff;font-weight:800;margin-bottom:15px}
  .footer-links{display:grid;gap:9px}
  .footer-links a{color:#cdbdcb;font-size:13px;transition:.2s}
  .footer-links a:hover{color:var(--mint);padding-left:3px}
  .footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#bbaab9;font-size:12px}
  @media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:13px}.brand{min-width:215px}.topics{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:768px){
    .container{width:min(100% - 32px,var(--container))}
    .navbar{height:68px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;left:16px;right:16px;top:68px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:9px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:11px 13px}.nav-actions{display:none}.brand{min-width:0}.brand-name{font-size:13px}
    .page-hero{padding:58px 0 55px}.page-hero:after{font-size:130px;right:-15px;top:10px}h1{font-size:38px}.hero-copy{font-size:15px}
    .section{padding:58px 0}.section-head,.cta-box{display:block}.section-lead{margin-top:13px}.news-layout,.faq-grid{grid-template-columns:1fr;gap:18px}.lead-news{min-height:330px;padding:27px}.lead-news h3{font-size:24px}.timeline{padding-left:27px}.timeline-card{display:block;padding:19px}.date{display:block;margin-bottom:5px}.topics{grid-template-columns:1fr 1fr}.app-strip{display:block;padding:32px 25px}.app-strip .btn{margin-top:22px;width:100%}.cta-actions{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:6px}
  }
  @media(max-width:480px){.topics{grid-template-columns:1fr}.hero-actions .btn,.cta-actions .btn{width:100%}.news-item{padding:16px}.news-item h3{font-size:16px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}}

/* roulang page: category2 */
:root{
      --berry:#a63372;
      --berry-dark:#772557;
      --coral:#e56b72;
      --plum:#351a3d;
      --plum-2:#512348;
      --ink:#281f2b;
      --muted:#756b79;
      --cream:#fffaf7;
      --paper:#fff;
      --rose:#f7edf1;
      --mist:#f2e9eb;
      --line:#eadde2;
      --mint:#b9e8d6;
      --white:#fff;
      --radius:18px;
      --shadow:0 16px 36px rgba(75,34,63,.09);
      --soft-shadow:0 8px 22px rgba(77,35,59,.07);
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,247,.96);backdrop-filter:blur(14px);border-bottom:1px solid rgba(234,221,226,.85)}
    .navbar{height:78px;display:flex;align-items:center;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;min-width:250px;font-weight:800;color:var(--plum)}
    .brand-mark{width:40px;height:40px;border-radius:13px 13px 13px 5px;background:linear-gradient(145deg,var(--coral),var(--berry));display:grid;place-items:center;color:#fff;font-size:18px;font-weight:900;box-shadow:0 7px 15px rgba(166,51,114,.22)}
    .brand-name{font-size:15px;line-height:1.25;letter-spacing:-.3px}
    .brand-name small{display:block;color:var(--muted);font-size:11px;font-weight:600;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:3px;flex:1;justify-content:center}
    .main-nav a{padding:9px 11px;color:#5e5361;font-size:14px;border-radius:10px;transition:.25s;white-space:nowrap}
    .main-nav a:hover,.main-nav a:focus,.main-nav a.active{color:var(--berry-dark);background:var(--rose)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .nav-download{color:var(--berry-dark);font-size:14px;font-weight:700}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:11px;padding:12px 20px;font-weight:700;transition:transform .25s,box-shadow .25s,background .25s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(106,36,85,.16)}
    .btn-primary{background:var(--berry);color:#fff}
    .btn-primary:hover{background:var(--berry-dark);color:#fff}
    .btn-light{background:#fff;color:var(--berry-dark);border-color:var(--line)}
    .btn-dark{background:var(--plum);color:#fff}
    .btn:focus-visible,.main-nav a:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(229,107,114,.35);outline-offset:3px}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:26px}
    .page-hero{background:var(--plum);color:#fff;padding:76px 0 70px;position:relative;overflow:hidden}
    .page-hero:before{content:"攻略";position:absolute;right:7%;top:-35px;color:rgba(255,255,255,.07);font-size:190px;font-weight:900;line-height:1}
    .page-hero:after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;right:-80px;bottom:-160px;background:var(--coral);opacity:.28}
    .hero-inner{position:relative;z-index:1;max-width:800px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-weight:700;font-size:13px;margin-bottom:15px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--mint)}
    h1{font-size:clamp(34px,5vw,58px);line-height:1.2;letter-spacing:-1.5px;margin:0 0 20px}
    .hero-inner p{color:#eadfe8;font-size:17px;max-width:720px;margin:0 0 28px}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:#cdbccc;font-size:13px;margin-top:28px}
    .breadcrumb a:hover{color:#fff}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-kicker{color:var(--berry);font-weight:800;font-size:13px;letter-spacing:1px}
    h2{font-size:32px;line-height:1.28;letter-spacing:-.8px;margin:7px 0 0}
    .section-lead{color:var(--muted);max-width:560px}
    .guide-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:stretch}
    .guide-intro{background:linear-gradient(140deg,#fff,#f9e9ef);border:1px solid var(--line);border-radius:var(--radius);padding:38px;position:relative;overflow:hidden}
    .guide-intro:after{content:"C7";position:absolute;right:24px;bottom:-28px;font-size:150px;font-weight:900;color:rgba(166,51,114,.08)}
    .guide-intro h3{font-size:27px;line-height:1.35;max-width:430px;margin:13px 0}
    .guide-intro p{color:var(--muted);max-width:500px}
    .guide-label{display:inline-block;padding:5px 10px;border-radius:7px;background:var(--mint);color:#245746;font-size:12px;font-weight:800}
    .guide-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:25px;position:relative;z-index:1}
    .guide-point{padding:13px 14px;background:rgba(255,255,255,.78);border:1px solid rgba(234,221,226,.8);border-radius:12px}
    .guide-point b{display:block;font-size:14px}
    .guide-point span{color:var(--muted);font-size:12px}
    .step-panel{background:var(--plum);border-radius:var(--radius);padding:32px;color:#fff}
    .step-panel h3{font-size:23px;margin:0 0 22px}
    .step{display:flex;gap:16px;padding:17px 0;border-bottom:1px solid rgba(255,255,255,.14)}
    .step:last-child{border-bottom:0}
    .step-num{width:32px;height:32px;flex:0 0 32px;border-radius:10px;background:var(--coral);display:grid;place-items:center;font-weight:900}
    .step b{display:block;font-size:15px}
    .step p{color:#d7c9d6;font-size:13px;margin:3px 0 0;line-height:1.65}
    .path-section{background:#f8eff2}
    .path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .path-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:25px;transition:.25s}
    .path-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d89ab5}
    .path-icon{width:42px;height:42px;border-radius:12px;background:var(--rose);color:var(--berry);display:grid;place-items:center;font-weight:900;font-size:18px}
    .path-card h3{font-size:19px;margin:17px 0 7px}
    .path-card p{color:var(--muted);font-size:13px;margin:0}
    .tips-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:26px}
    .tips-aside{background:var(--berry);color:#fff;border-radius:var(--radius);padding:32px}
    .tips-aside h3{font-size:25px;line-height:1.35;margin:12px 0}
    .tips-aside p{color:#f8e9ef}
    .tips-aside .btn{margin-top:17px}
    .tips-list{display:grid;gap:12px}
    .tip-item{display:flex;gap:17px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:.2s}
    .tip-item:hover{border-color:#d89ab5;transform:translateX(3px)}
    .tip-mark{color:var(--berry);font-weight:900;font-size:20px}
    .tip-item h3{font-size:17px;margin:0 0 4px}
    .tip-item p{color:var(--muted);font-size:13px;margin:0}
    .notice{margin-top:20px;padding:16px 18px;border-left:4px solid var(--coral);background:#fff4f1;color:#654b54;border-radius:0 12px 12px 0;font-size:13px}
    .faq-section{background:#fff}
    .faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:50px}
    .faq-intro p{color:var(--muted);margin:15px 0 24px}
    .faq-list{display:grid;gap:10px}
    .faq-item{border:1px solid var(--line);border-radius:13px;background:#fff;overflow:hidden}
    .faq-question{width:100%;border:0;background:#fff;text-align:left;padding:17px 20px;color:var(--ink);font-weight:800;display:flex;justify-content:space-between;gap:15px}
    .faq-question span{color:var(--berry);font-size:20px;line-height:1}
    .faq-answer{padding:0 20px 18px;color:var(--muted);font-size:14px}
    .cta{padding:38px 0}
    .cta-box{background:linear-gradient(110deg,var(--plum),var(--plum-2));border-radius:var(--radius);padding:38px 44px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta-box h2{margin:0 0 8px;font-size:28px}
    .cta-box p{color:#e4d7e2;margin:0}
    .cta-actions{display:flex;gap:11px;flex-wrap:wrap;flex:0 0 auto}
    .site-footer{background:var(--plum);color:#fff;padding:54px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
    .footer-brand p{color:#d6c7d3;max-width:330px;font-size:13px;margin-top:17px}
    .footer-title{font-weight:800;margin-bottom:14px}
    .footer-links{display:grid;gap:9px;color:#d6c7d3;font-size:13px}
    .footer-links a{transition:.2s}
    .footer-links a:hover{color:var(--mint);padding-left:3px}
    .footer-bottom{margin-top:42px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:20px;color:#bfaebe;font-size:12px}
    @media (max-width:1024px){
      .navbar{gap:14px}.brand{min-width:220px}.main-nav a{padding:8px 7px;font-size:13px}.nav-download{display:none}
      .guide-layout,.tips-layout{grid-template-columns:1fr}.faq-grid{gap:28px}
    }
    @media (max-width:768px){
      .container{width:min(100% - 32px,var(--container))}
      .navbar{height:70px}.brand{min-width:0;flex:1}.brand-name{font-size:13px}.brand-name small{font-size:10px}
      .main-nav{display:none;position:absolute;left:16px;right:16px;top:70px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}.main-nav a{padding:11px 14px}
      .menu-toggle{display:block}.nav-actions .btn{padding:9px 12px;font-size:13px}
      .page-hero{padding:58px 0 52px}.page-hero:before{font-size:110px;right:-10px;top:5px}
      .section{padding:62px 0}.section-head{display:block}.section-lead{margin-top:12px}
      .path-grid{grid-template-columns:1fr}.guide-intro,.step-panel{padding:27px}.guide-points{grid-template-columns:1fr 1fr}
      .cta-box{display:block;padding:30px 25px}.cta-actions{margin-top:22px}.cta-actions .btn{flex:1}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
    }
    @media (max-width:480px){
      h1{font-size:34px}.hero-inner p{font-size:15px}.hero-buttons .btn{width:100%}
      .guide-points{grid-template-columns:1fr}.tips-aside{padding:26px}.tip-item{padding:16px}
      .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
      .cta-actions{display:grid}.cta-actions .btn{width:100%}
    }

/* roulang page: category3 */
:root{
      --berry:#a63372;
      --berry-dark:#772557;
      --coral:#e56b72;
      --plum:#351a3d;
      --plum-2:#512348;
      --ink:#281f2b;
      --muted:#756b79;
      --cream:#fffaf7;
      --rose:#f7edf1;
      --line:#eadde2;
      --mint:#b9e8d6;
      --white:#fff;
      --radius:18px;
      --shadow:0 16px 36px rgba(75,34,63,.09);
      --soft-shadow:0 8px 22px rgba(75,34,63,.07);
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,247,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(234,221,226,.85)}
    .navbar{height:78px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:245px;font-weight:800;color:var(--plum)}
    .brand-mark{width:38px;height:38px;border-radius:12px 12px 12px 4px;background:linear-gradient(145deg,var(--coral),var(--berry));display:grid;place-items:center;color:#fff;font-size:18px;font-weight:900;box-shadow:0 7px 15px rgba(166,51,114,.22)}
    .brand-name{font-size:15px;line-height:1.25}
    .brand-name small{display:block;color:var(--muted);font-size:11px;font-weight:600;margin-top:2px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:9px 12px;color:#5e5361;font-size:14px;border-radius:10px;transition:.25s}
    .main-nav a:hover,.main-nav a:focus,.main-nav a.active{color:var(--berry-dark);background:var(--rose)}
    .nav-actions{display:flex;align-items:center;gap:14px}
    .nav-download{color:var(--berry-dark);font-size:14px;font-weight:700}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:11px;padding:12px 20px;font-weight:700;transition:transform .25s,box-shadow .25s,background .25s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(106,36,85,.16)}
    .btn-primary{background:var(--berry);color:#fff}
    .btn-primary:hover{background:var(--berry-dark);color:#fff}
    .btn-light{background:#fff;color:var(--berry-dark);border-color:var(--line)}
    .btn-dark{background:var(--plum);color:#fff}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:26px}
    .btn:focus-visible,.main-nav a:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(229,107,114,.35);outline-offset:3px}
    .page-hero{background:var(--plum);color:#fff;padding:70px 0 68px;position:relative;overflow:hidden}
    .page-hero:before,.page-hero:after{content:"";position:absolute;border-radius:50%;opacity:.28}
    .page-hero:before{width:420px;height:420px;right:-120px;top:-190px;background:var(--coral)}
    .page-hero:after{width:260px;height:260px;left:45%;bottom:-190px;background:#b84f99}
    .hero-inner{position:relative;z-index:1;max-width:800px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-weight:800;font-size:13px;margin-bottom:16px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--mint)}
    .page-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.2;letter-spacing:-1.5px;margin:0 0 20px}
    .page-hero p{color:#eadfe8;font-size:17px;max-width:700px;margin:0 0 28px}
    .breadcrumbs{font-size:13px;color:#d9c9d6;margin-top:25px}
    .breadcrumbs a{color:#fff}
    .breadcrumbs span{margin:0 8px;color:#a894a7}
    .section{padding:82px 0}
    .section-soft{background:#f8eff2}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-kicker{color:var(--berry);font-weight:800;font-size:13px;letter-spacing:1px}
    .section h2{font-size:32px;line-height:1.25;letter-spacing:-.8px;margin:6px 0 0}
    .section-lead{color:var(--muted);max-width:620px}
    .notice-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:start}
    .notice-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--soft-shadow)}
    .notice-panel h3{font-size:25px;line-height:1.4;margin:14px 0 12px}
    .notice-panel p{color:var(--muted);margin:0 0 22px}
    .card-tag{display:inline-block;padding:5px 10px;border-radius:6px;background:var(--rose);color:var(--berry-dark);font-size:12px;font-weight:800}
    .notice-stat{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
    .stat{background:var(--rose);border-radius:13px;padding:15px}
    .stat strong{display:block;font-size:23px;color:var(--berry-dark);line-height:1.2}
    .stat span{display:block;color:var(--muted);font-size:12px;margin-top:5px}
    .notice-board{background:var(--plum-2);border-radius:var(--radius);padding:28px;color:#fff;position:relative;overflow:hidden}
    .notice-board:after{content:"C7";position:absolute;right:18px;bottom:-27px;font-size:130px;font-weight:900;color:rgba(255,255,255,.07)}
    .board-title{font-weight:800;font-size:19px;margin-bottom:20px;position:relative;z-index:1}
    .board-row{display:flex;gap:14px;border-top:1px solid rgba(255,255,255,.16);padding:17px 0;position:relative;z-index:1}
    .board-row:first-of-type{border-top:0}
    .board-icon{width:34px;height:34px;flex:0 0 34px;border-radius:10px;background:var(--coral);display:grid;place-items:center;font-weight:900}
    .board-row b{display:block;font-size:15px}
    .board-row small{display:block;color:#d8c9d6;margin-top:3px}
    .status-bar{display:flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;margin-top:22px;position:relative;z-index:1}
    .status-dot{width:8px;height:8px;border-radius:50%;background:var(--mint)}
    .timeline{position:relative;max-width:920px;margin:0 auto}
    .timeline:before{content:"";position:absolute;left:118px;top:8px;bottom:8px;width:1px;background:#dcbecb}
    .timeline-item{display:grid;grid-template-columns:95px 1fr;gap:46px;position:relative;padding:0 0 28px}
    .timeline-time{font-size:13px;color:var(--berry-dark);font-weight:800;text-align:right;padding-top:18px}
    .timeline-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:21px 24px;position:relative;transition:.25s}
    .timeline-card:before{content:"";position:absolute;left:-52px;top:22px;width:11px;height:11px;border-radius:50%;background:var(--coral);border:3px solid var(--cream);box-shadow:0 0 0 1px #dca7b9}
    .timeline-card:hover{border-color:#d89ab5;box-shadow:var(--shadow);transform:translateX(3px)}
    .timeline-card h3{font-size:19px;line-height:1.4;margin:10px 0 7px}
    .timeline-card p{color:var(--muted);margin:0}
    .status{display:inline-block;padding:4px 9px;border-radius:6px;font-size:12px;font-weight:800}
    .status-current{background:#e4f6ee;color:#397c64}
    .status-update{background:#fff0d9;color:#94601f}
    .status-info{background:#f4e5f0;color:var(--berry-dark)}
    .notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .info-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px;transition:.25s}
    .info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d7a2b8}
    .info-number{width:40px;height:40px;border-radius:12px;background:var(--rose);color:var(--berry);display:grid;place-items:center;font-weight:900;margin-bottom:17px}
    .info-card h3{font-size:18px;margin:0 0 8px}
    .info-card p{color:var(--muted);font-size:14px;margin:0}
    .faq-list{max-width:850px;margin:auto}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden}
    .faq-question{display:flex;justify-content:space-between;gap:20px;width:100%;text-align:left;border:0;background:transparent;padding:19px 22px;color:var(--ink);font-weight:800}
    .faq-question span:last-child{color:var(--berry);font-size:20px;line-height:1}
    .faq-answer{padding:0 22px 20px;color:var(--muted);font-size:14px}
    .cta-band{padding:42px 48px;background:linear-gradient(105deg,var(--berry-dark),var(--berry));color:#fff;border-radius:20px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}
    .cta-band:after{content:"";width:230px;height:230px;border:1px solid rgba(255,255,255,.18);border-radius:50%;position:absolute;right:90px;top:-120px}
    .cta-band h2{font-size:29px;margin:0 0 8px;position:relative;z-index:1}
    .cta-band p{color:#f5dfe9;margin:0;position:relative;z-index:1}
    .cta-actions{display:flex;gap:10px;position:relative;z-index:1;flex-wrap:wrap}
    .site-footer{background:var(--plum);color:#eadfe8;padding:58px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand .brand{color:#fff}
    .footer-brand p{color:#cdbdca;max-width:310px;font-size:14px;margin-top:18px}
    .footer-title{color:#fff;font-weight:800;margin-bottom:15px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#cdbdca;font-size:14px;transition:.2s}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:16px;color:#bbaab8;font-size:12px}
    @media(max-width:1024px){
      .navbar{gap:16px}.brand{min-width:210px}.main-nav a{padding:8px 7px;font-size:13px}.nav-download{display:none}
      .notice-layout{grid-template-columns:1fr}.timeline{max-width:760px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,var(--container))}
      .navbar{height:68px}.brand{min-width:0;flex:1}.brand-name{font-size:14px}
      .main-nav{display:none;position:absolute;left:16px;right:16px;top:68px;background:#fff;padding:10px;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}.main-nav a{padding:11px 13px}
      .nav-actions{gap:8px}.nav-actions .btn{padding:9px 12px;font-size:13px}.menu-toggle{display:block}
      .page-hero{padding:56px 0}.page-hero h1{font-size:38px}.page-hero p{font-size:15px}
      .section{padding:62px 0}.section-head{display:block}.section-lead{margin-top:12px}
      .notice-panel{padding:25px}.notice-stat{grid-template-columns:1fr}
      .timeline:before{left:8px}.timeline-item{display:block;padding-left:30px}.timeline-time{text-align:left;padding:0 0 8px}.timeline-card:before{left:-28px;top:24px}
      .notice-grid{grid-template-columns:1fr}.cta-band{display:block;padding:32px 25px}.cta-band h2{font-size:25px}.cta-actions{margin-top:22px}.cta-actions .btn{flex:1}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
    }
    @media(max-width:480px){
      .brand-mark{width:34px;height:34px;font-size:16px}.brand-name small{font-size:10px}
      .page-hero h1{font-size:32px}.hero-inner .btn{width:100%}.notice-board{padding:23px 19px}
      .notice-panel h3{font-size:22px}.timeline-card{padding:18px}.footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category5 */
:root{
      --berry:#a63372;--berry-dark:#772557;--coral:#e56b72;--plum:#351a3d;
      --plum-2:#512348;--ink:#281f2b;--muted:#756b79;--cream:#fffaf7;
      --paper:#fff;--rose:#f7edf1;--line:#eadde2;--mint:#b9e8d6;
      --radius:18px;--shadow:0 16px 36px rgba(75,34,63,.09);
      --soft-shadow:0 8px 22px rgba(77,35,59,.07);--container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(255,250,247,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(234,221,226,.85)}
    .navbar{height:78px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:235px;font-weight:800;color:var(--plum)}
    .brand-mark{width:38px;height:38px;border-radius:12px 12px 12px 4px;background:linear-gradient(145deg,var(--coral),var(--berry));display:grid;place-items:center;color:#fff;font-size:18px;font-weight:900;box-shadow:0 7px 15px rgba(166,51,114,.22)}
    .brand-name{font-size:15px;line-height:1.25}
    .brand-name small{display:block;font-size:11px;color:var(--muted);font-weight:600;margin-top:2px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:9px 11px;color:#5e5361;font-size:14px;border-radius:10px;transition:.25s}
    .main-nav a:hover,.main-nav a:focus,.main-nav a.active{color:var(--berry-dark);background:var(--rose)}
    .nav-actions{display:flex;align-items:center;gap:14px}
    .nav-download{color:var(--berry-dark);font-size:14px;font-weight:700}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:26px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:11px;padding:12px 20px;font-weight:700;transition:.25s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(106,36,85,.16)}
    .btn-primary{background:var(--berry);color:#fff}.btn-primary:hover{background:var(--berry-dark)}
    .btn-light{background:#fff;color:var(--berry-dark);border-color:var(--line)}
    .btn-dark{background:var(--plum);color:#fff}
    .btn:focus-visible,.main-nav a:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(229,107,114,.35);outline-offset:3px}
    .crumbs{padding:27px 0 0;color:var(--muted);font-size:13px}
    .crumbs a{color:var(--berry-dark);font-weight:700}
    .crumbs span{margin:0 9px;color:#b8aab3}
    .page-hero{padding:42px 0 76px;position:relative;overflow:hidden}
    .page-hero:after{content:"C7";position:absolute;right:6%;top:18px;font-size:190px;font-weight:900;color:rgba(166,51,114,.055);line-height:1}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr .72fr;gap:70px;align-items:end}
    .eyebrow,.section-kicker{color:var(--berry);font-size:13px;font-weight:800;letter-spacing:.8px}
    .eyebrow:before{content:"";display:inline-block;width:24px;height:2px;background:var(--coral);vertical-align:middle;margin-right:9px}
    h1{font-size:clamp(35px,5vw,60px);line-height:1.2;letter-spacing:-1.8px;margin:15px 0 20px;max-width:760px}
    .hero-text{color:var(--muted);font-size:17px;max-width:690px}
    .hero-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .hero-panel{background:var(--plum);color:#fff;border-radius:24px;padding:28px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .hero-panel:before{content:"";position:absolute;width:180px;height:180px;border-radius:50%;right:-50px;top:-65px;background:var(--coral);opacity:.5}
    .hero-panel h2{font-size:23px;position:relative;margin:0 0 20px}
    .panel-row{position:relative;display:flex;justify-content:space-between;gap:15px;padding:14px 0;border-top:1px solid rgba(255,255,255,.16);color:#eadfe8}
    .panel-row strong{color:var(--mint);font-size:18px}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section h2{font-size:32px;line-height:1.3;letter-spacing:-.8px;margin:7px 0 0}
    .section-lead{color:var(--muted);max-width:590px}
    .topic-bar{display:grid;grid-template-columns:1.25fr .9fr .9fr .9fr;gap:12px}
    .topic-item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px;min-height:140px;transition:.25s}
    .topic-item:first-child{background:var(--rose);border-color:#efd0dc}
    .topic-item:hover{transform:translateY(-3px);box-shadow:var(--soft-shadow);border-color:#d79bb6}
    .topic-number{color:var(--coral);font-weight:900;font-size:13px}
    .topic-item h3{font-size:18px;margin:12px 0 5px}
    .topic-item p{font-size:13px;color:var(--muted);margin:0}
    .play-area{background:#f8eff2}
    .play-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:stretch}
    .play-intro{background:linear-gradient(145deg,#4b224e,#8b356d);border-radius:var(--radius);padding:34px;color:#fff;min-height:390px;display:flex;flex-direction:column;justify-content:space-between}
    .play-intro h2{font-size:31px;line-height:1.35;margin:10px 0}
    .play-intro p{color:#f4e4ed}
    .play-badge{display:inline-block;background:var(--mint);color:var(--plum);padding:6px 10px;border-radius:7px;font-size:12px;font-weight:800;align-self:flex-start}
    .play-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .play-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:23px;transition:.25s}
    .play-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
    .play-icon{width:40px;height:40px;border-radius:12px;background:var(--rose);color:var(--berry);display:grid;place-items:center;font-weight:900;font-size:18px}
    .play-card h3{font-size:18px;margin:16px 0 6px}
    .play-card p{color:var(--muted);font-size:13px;margin:0}
    .route{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .route-step{padding:25px 20px 25px 0;position:relative}
    .route-step:not(:last-child):after{content:"→";position:absolute;right:18px;top:34px;color:var(--coral);font-size:22px}
    .route-step b{display:block;color:var(--berry);font-size:14px;margin-bottom:8px}
    .route-step h3{font-size:17px;margin:0 0 5px}
    .route-step p{font-size:13px;color:var(--muted);margin:0}
    .faq-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:55px;align-items:start}
    .faq-wrap h2{font-size:32px;line-height:1.35;margin:8px 0 13px}
    .faq-wrap .intro{color:var(--muted)}
    .faq-list{display:grid;gap:11px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
    .faq-question{width:100%;border:0;background:#fff;text-align:left;padding:19px 22px;color:var(--ink);font-weight:800;display:flex;justify-content:space-between;align-items:center}
    .faq-question span{color:var(--berry);font-size:21px;transition:.2s}
    .faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span{transform:rotate(45deg)}
    .cta{padding:30px 0 88px}
    .cta-box{background:var(--plum);border-radius:22px;color:#fff;padding:38px 44px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta-box h2{font-size:28px;margin:0 0 8px}.cta-box p{color:#eadfe8;margin:0}
    .site-footer{background:var(--plum);color:#fff;padding:62px 0 0}
    .footer-grid{display:grid;grid-template-columns:1.45fr repeat(3,1fr);gap:35px}
    .footer-brand p{color:#d9cbd7;max-width:330px;margin-top:18px;font-size:13px}
    .footer-title{font-weight:800;margin-bottom:14px}
    .footer-links{display:grid;gap:9px}.footer-links a{color:#d9cbd7;font-size:13px;transition:.2s}.footer-links a:hover{color:var(--mint)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:45px;padding:20px 0;display:flex;justify-content:space-between;gap:15px;color:#bfaebe;font-size:12px}
    @media(max-width:1024px){.navbar{gap:14px}.brand{min-width:205px}.main-nav a{padding:8px 7px;font-size:13px}.hero-inner{gap:35px}.topic-bar{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
    @media(max-width:768px){
      .container{width:min(100% - 32px,var(--container))}.navbar{height:70px}.menu-toggle{display:block;order:3}.nav-actions{margin-left:auto}.nav-actions .nav-download{display:none}
      .main-nav{display:none;position:absolute;left:16px;right:16px;top:69px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .main-nav.is-open{display:flex}.main-nav a{padding:11px 14px}.hero-inner,.play-grid,.faq-wrap{grid-template-columns:1fr}.page-hero{padding-bottom:55px}.hero-panel{max-width:520px}
      .section{padding:62px 0}.section-head{display:block}.section-lead{margin-top:12px}.route{grid-template-columns:1fr 1fr}.route-step{padding-right:15px}.route-step:nth-child(2):after{display:none}
      .cta-box{display:block;padding:30px 25px}.cta-box .btn{margin-top:22px;width:100%}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      h1{font-size:35px}.hero-text{font-size:15px}.hero-links .btn{width:100%}.topic-bar,.play-list,.route{grid-template-columns:1fr}.route-step{border-bottom:1px solid var(--line);padding:18px 0}.route-step:last-child{border:0}.route-step:after{display:none!important}
      .footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}.brand{min-width:0}.brand-name{font-size:13px}
    }

/* roulang page: category4 */
:root{
      --berry:#a63372;
      --berry-dark:#772557;
      --coral:#e56b72;
      --plum:#351a3d;
      --plum-2:#512348;
      --ink:#281f2b;
      --muted:#756b79;
      --cream:#fffaf7;
      --paper:#fff;
      --rose:#f7edf1;
      --mist:#f2e9eb;
      --line:#eadde2;
      --mint:#b9e8d6;
      --white:#fff;
      --radius:18px;
      --shadow:0 16px 36px rgba(75,34,63,.09);
      --soft-shadow:0 8px 22px rgba(77,35,59,.07);
      --container:1220px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);font-size:15px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,247,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(234,221,226,.85)}
    .navbar{height:78px;display:flex;align-items:center;gap:25px}
    .logo,.brand{display:flex;align-items:center;gap:11px;min-width:235px;font-weight:800;color:var(--plum)}
    .logo-mark,.brand-mark{width:38px;height:38px;border-radius:12px 12px 12px 4px;background:linear-gradient(145deg,var(--coral),var(--berry));display:grid;place-items:center;color:#fff;font-size:18px;font-weight:900;box-shadow:0 7px 15px rgba(166,51,114,.22);flex:none}
    .logo span:not(.logo-mark){font-size:15px;line-height:1.25}
    .main-nav{display:flex;align-items:center;gap:3px;flex:1}
    .main-nav a{padding:9px 11px;color:#5e5361;font-size:14px;border-radius:10px;transition:.25s;white-space:nowrap}
    .main-nav a:hover,.main-nav a:focus,.main-nav a.active{color:var(--berry-dark);background:var(--rose)}
    .nav-actions{display:flex;align-items:center;gap:13px}
    .nav-download{color:var(--berry-dark);font-size:14px;font-weight:700}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:26px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:11px;padding:12px 20px;font-weight:700;transition:transform .25s,box-shadow .25s,background .25s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(106,36,85,.16)}
    .btn-primary{background:var(--berry);color:#fff}
    .btn-primary:hover{background:var(--berry-dark);color:#fff}
    .btn-light{background:#fff;color:var(--berry-dark);border-color:var(--line)}
    .btn-dark{background:var(--plum);color:#fff}
    .btn:focus-visible,.main-nav a:focus-visible,.faq-question:focus-visible,.text-input:focus-visible{outline:3px solid rgba(229,107,114,.35);outline-offset:3px}
    .page-hero{background:var(--plum);color:#fff;padding:72px 0 78px;position:relative;overflow:hidden}
    .page-hero::before,.page-hero::after{content:"";position:absolute;border-radius:50%;opacity:.25}
    .page-hero::before{width:420px;height:420px;right:-110px;top:-180px;background:var(--coral)}
    .page-hero::after{width:260px;height:260px;left:48%;bottom:-190px;background:#bd4d9b}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:75px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-weight:700;font-size:13px;margin-bottom:15px}
    .eyebrow::before{content:"";width:24px;height:2px;background:var(--mint)}
    .page-hero h1{font-size:clamp(34px,4.3vw,56px);line-height:1.22;letter-spacing:-1.5px;margin:0;max-width:700px}
    .hero-copy{margin:20px 0 27px;color:#eadfe8;max-width:640px;font-size:17px}
    .hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
    .page-hero .btn-primary{background:var(--coral)}
    .page-hero .btn-light{background:transparent;border-color:rgba(255,255,255,.38);color:#fff}
    .device-stage{min-height:350px;display:grid;place-items:center;position:relative}
    .device{width:205px;height:350px;border:8px solid #24162d;border-radius:32px;background:#fff;box-shadow:18px 22px 0 rgba(0,0,0,.12),0 24px 45px rgba(0,0,0,.26);position:relative;overflow:hidden;transform:rotate(5deg)}
    .device::before{content:"";position:absolute;top:7px;left:50%;transform:translateX(-50%);width:64px;height:10px;border-radius:20px;background:#24162d;z-index:2}
    .screen-top{height:86px;background:linear-gradient(145deg,var(--coral),var(--berry));padding:34px 18px 10px;color:#fff;font-size:18px;font-weight:800}
    .screen-body{padding:17px}
    .screen-line{height:10px;border-radius:5px;background:#eadde2;margin-bottom:12px}
    .screen-line.short{width:62%}
    .screen-card{height:82px;border-radius:13px;background:var(--rose);margin:19px 0;padding:12px}
    .screen-card::after{content:"C7";color:var(--berry);font-weight:900;font-size:25px}
    .device-note{position:absolute;right:5px;top:32px;background:#fff;color:var(--plum);padding:10px 14px;border-radius:10px;font-size:13px;font-weight:800;box-shadow:var(--soft-shadow);transform:rotate(-4deg)}
    .device-note.bottom{top:auto;right:auto;left:12px;bottom:35px;background:var(--mint);transform:rotate(-3deg)}
    .crumbs{padding:19px 0;color:var(--muted);font-size:13px}
    .crumbs a{color:var(--berry-dark)}
    .section{padding:82px 0}
    .section-soft{background:var(--rose)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-kicker{color:var(--berry);font-size:13px;font-weight:800;letter-spacing:.8px}
    .section h2{font-size:32px;line-height:1.25;letter-spacing:-.8px;margin:6px 0 0}
    .section-lead{color:var(--muted);max-width:580px;margin:0}
    .download-layout{display:grid;grid-template-columns:1fr 1.12fr;gap:60px;align-items:center}
    .download-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--soft-shadow)}
    .download-panel h2{font-size:28px;margin:0 0 13px}
    .download-panel p{color:var(--muted);margin:0 0 22px}
    .download-meta{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0 26px}
    .badge{display:inline-flex;padding:6px 11px;border-radius:8px;background:var(--rose);color:var(--berry-dark);font-size:12px;font-weight:800}
    .badge.mint{background:var(--mint);color:#265e4c}
    .qr-box{background:#fff;border:1px dashed #cdaebb;border-radius:15px;padding:18px;display:flex;align-items:center;gap:18px}
    .qr{width:104px;height:104px;flex:none;border:9px solid #fff;outline:1px solid var(--line);background:
      linear-gradient(90deg,var(--plum) 10%,transparent 10% 20%,var(--plum) 20% 35%,transparent 35% 47%,var(--plum) 47% 60%,transparent 60% 73%,var(--plum) 73% 88%,transparent 88%),
      linear-gradient(var(--plum) 10%,transparent 10% 24%,var(--plum) 24% 36%,transparent 36% 51%,var(--plum) 51% 65%,transparent 65% 78%,var(--plum) 78% 90%,transparent 90%);
      background-size:100% 100%;border-radius:5px}
    .qr-box strong{display:block;margin-bottom:5px}
    .qr-box span{font-size:13px;color:var(--muted)}
    .benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .benefit-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px;transition:.25s}
    .benefit-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d89ab5}
    .icon{width:43px;height:43px;border-radius:13px;background:var(--rose);color:var(--berry);display:grid;place-items:center;font-size:20px;font-weight:900;margin-bottom:17px}
    .benefit-card h3{font-size:18px;margin:0 0 8px}
    .benefit-card p{margin:0;color:var(--muted);font-size:14px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
    .steps::before{content:"";position:absolute;top:23px;left:9%;right:9%;height:1px;background:#d9bdca}
    .step{position:relative;padding:0 19px;text-align:center}
    .step-number{width:47px;height:47px;border-radius:50%;display:grid;place-items:center;margin:0 auto 18px;background:var(--berry);color:#fff;font-weight:900;position:relative;z-index:1;border:6px solid var(--cream)}
    .step h3{font-size:17px;margin:0 0 7px}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .notice{margin-top:27px;background:#fff5ed;border:1px solid #f1d9c8;border-radius:13px;padding:15px 18px;color:#765345;font-size:14px}
    .device-info{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .info-card{padding:28px;border-radius:var(--radius);background:var(--plum);color:#fff;min-height:210px}
    .info-card:nth-child(2){background:var(--berry)}
    .info-card h3{font-size:21px;margin:0 0 12px}
    .info-card p{color:#f4e8ee;margin:0}
    .faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px;align-items:start}
    .faq-intro p{color:var(--muted)}
    .faq-list{display:grid;gap:11px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;overflow:hidden}
    .faq-question{width:100%;border:0;background:#fff;color:var(--ink);padding:18px 21px;text-align:left;font-weight:800;display:flex;justify-content:space-between;gap:14px}
    .faq-question::after{content:"＋";color:var(--berry);font-size:20px;line-height:1}
    .faq-answer{padding:0 21px 18px;color:var(--muted);font-size:14px}
    .cta{padding:30px 0 84px}
    .cta-box{border-radius:var(--radius);padding:35px 42px;background:linear-gradient(105deg,var(--plum),var(--plum-2));color:#fff;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta-box h2{margin:0 0 7px;font-size:27px}
    .cta-box p{margin:0;color:#e8dce7}
    .site-footer{background:var(--plum);color:#fff;padding:57px 0 0}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
    .footer-brand .brand{color:#fff;min-width:0}
    .brand-name{font-size:15px;line-height:1.25}
    .brand-name small{display:block;font-size:11px;color:#d7c2d4;font-weight:500;margin-top:3px}
    .footer-brand p{color:#d8c8d6;font-size:13px;max-width:320px;margin:18px 0 0}
    .footer-title{font-weight:800;margin:4px 0 15px}
    .footer-links{display:grid;gap:9px;color:#d7c7d5;font-size:13px}
    .footer-links a{transition:.2s}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding:18px 0;display:flex;justify-content:space-between;gap:20px;color:#cdb9ca;font-size:12px}
    @media(max-width:1024px){
      .main-nav a{padding:8px 7px;font-size:13px}.navbar{gap:12px}.logo{min-width:210px}
      .hero-inner{gap:35px}.download-layout{gap:30px}.faq-grid{gap:30px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,var(--container))}
      .navbar{height:68px}.logo{min-width:0;flex:1}.logo span:not(.logo-mark){font-size:14px}
      .main-nav{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 16px;background:var(--cream);border-bottom:1px solid var(--line);box-shadow:var(--soft-shadow);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}.main-nav a{padding:11px 13px}
      .nav-actions{display:none}.menu-toggle{display:block}
      .hero-inner,.download-layout,.faq-grid{grid-template-columns:1fr}.page-hero{padding:57px 0 60px}.device-stage{min-height:325px}
      .section{padding:62px 0}.section-head{display:block}.section-lead{margin-top:12px}.benefit-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr;gap:30px}.steps::before{display:none}
      .step{padding:0 7px}.device-info{grid-template-columns:1fr}.cta-box{display:block;padding:28px}.cta-box .btn{margin-top:22px;width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:29px}.footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}
    }
    @media(max-width:480px){
      .hero-buttons{display:grid}.hero-buttons .btn{width:100%}.page-hero h1{font-size:34px}
      .download-panel{padding:23px}.qr-box{align-items:flex-start}.qr{width:88px;height:88px}
      .steps{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category6 */
:root{
      --berry:#a63372;
      --berry-dark:#772557;
      --coral:#e56b72;
      --plum:#351a3d;
      --plum-2:#512348;
      --ink:#281f2b;
      --muted:#756b79;
      --cream:#fffaf7;
      --paper:#ffffff;
      --rose:#f7edf1;
      --mist:#f2e9eb;
      --line:#eadde2;
      --mint:#b9e8d6;
      --white:#fff;
      --radius:18px;
      --shadow:0 16px 36px rgba(75,34,63,.09);
      --soft-shadow:0 8px 22px rgba(77,35,59,.07);
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:var(--cream);
      line-height:1.75;
      font-size:15px;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{
      position:sticky;top:0;z-index:30;
      background:rgba(255,250,247,.95);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(234,221,226,.88);
    }
    .navbar{height:78px;display:flex;align-items:center;gap:28px}
    .logo,.brand{display:flex;align-items:center;gap:11px;min-width:235px;font-weight:800;color:var(--plum);letter-spacing:-.5px}
    .logo-mark,.brand-mark{
      width:38px;height:38px;border-radius:12px 12px 12px 4px;
      background:linear-gradient(145deg,var(--coral),var(--berry));
      display:grid;place-items:center;color:#fff;font-size:18px;font-weight:900;
      box-shadow:0 7px 15px rgba(166,51,114,.22);
      flex:0 0 auto;
    }
    .logo span,.brand-name{font-size:15px;line-height:1.25}
    .brand-name small{display:block;font-size:11px;font-weight:600;color:#d8b8ca;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{
      padding:9px 12px;color:#5e5361;font-size:14px;border-radius:10px;
      transition:.25s ease;
    }
    .main-nav a:hover,.main-nav a:focus,.main-nav a.active{
      color:var(--berry-dark);background:var(--rose)
    }
    .nav-actions{display:flex;align-items:center;gap:14px}
    .nav-download{color:var(--berry-dark);font-size:14px;font-weight:700}
    .menu-toggle{
      display:none;border:0;background:transparent;color:var(--plum);
      font-size:26px;line-height:1;padding:5px;
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:1px solid transparent;border-radius:11px;padding:12px 20px;
      font-weight:700;transition:transform .25s,box-shadow .25s,background .25s;
    }
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(106,36,85,.16)}
    .btn-primary{background:var(--berry);color:#fff}
    .btn-primary:hover{background:var(--berry-dark);color:#fff}
    .btn-light{background:#fff;color:var(--berry-dark);border-color:var(--line)}
    .btn-dark{background:var(--plum);color:#fff}
    .btn:focus-visible,.main-nav a:focus-visible,.faq-question:focus-visible{
      outline:3px solid rgba(229,107,114,.35);outline-offset:3px
    }
    .page-hero{
      position:relative;overflow:hidden;background:var(--plum);color:#fff;
      padding:72px 0 68px;
    }
    .page-hero:before,.page-hero:after{
      content:"";position:absolute;border-radius:50%;opacity:.27;pointer-events:none
    }
    .page-hero:before{width:390px;height:390px;right:-95px;top:-180px;background:var(--coral)}
    .page-hero:after{width:250px;height:250px;left:48%;bottom:-190px;background:#bd519b}
    .hero-inner{position:relative;z-index:1;max-width:850px}
    .eyebrow,.section-kicker{
      color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.7px
    }
    .eyebrow{display:flex;align-items:center;gap:8px;margin-bottom:16px}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--mint)}
    .page-hero h1{
      font-size:clamp(34px,5vw,57px);line-height:1.2;
      letter-spacing:-1.7px;margin:0 0 20px;max-width:800px
    }
    .hero-description{color:#eadfe8;font-size:17px;max-width:720px;margin:0 0 28px}
    .breadcrumb{
      display:flex;align-items:center;gap:9px;flex-wrap:wrap;
      color:#e9dbe6;font-size:13px;margin-top:26px
    }
    .breadcrumb a{color:var(--mint)}
    .breadcrumb span{opacity:.55}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-kicker{color:var(--berry);display:block}
    .section h2{font-size:31px;line-height:1.25;letter-spacing:-.8px;margin:7px 0 0}
    .section-lead{color:var(--muted);max-width:610px;margin:0}
    .question-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:26px;align-items:start}
    .help-card{
      background:linear-gradient(145deg,#4b214a,#762758);
      color:#fff;border-radius:var(--radius);padding:31px;
      min-height:310px;box-shadow:var(--shadow);position:relative;overflow:hidden
    }
    .help-card:after{
      content:"?";position:absolute;right:20px;bottom:-35px;
      font-size:190px;line-height:1;font-weight:900;color:rgba(255,255,255,.09)
    }
    .help-card h3{font-size:25px;line-height:1.35;margin:0 0 14px;position:relative;z-index:1}
    .help-card p{color:#f3e5ed;position:relative;z-index:1;margin:0 0 24px}
    .help-points{list-style:none;padding:0;margin:0;position:relative;z-index:1}
    .help-points li{display:flex;gap:9px;align-items:flex-start;color:#f9eef3;margin:10px 0;font-size:14px}
    .help-points li:before{content:"✓";color:var(--mint);font-weight:900}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--line);border-radius:14px;background:var(--paper);
      overflow:hidden;transition:.25s ease
    }
    .faq-item:hover{border-color:#d79ab4;box-shadow:var(--soft-shadow)}
    .faq-question{
      width:100%;display:flex;justify-content:space-between;align-items:center;
      gap:18px;border:0;background:transparent;text-align:left;color:var(--ink);
      padding:20px 22px;font-weight:800
    }
    .faq-question .plus{
      color:var(--berry);font-size:23px;font-weight:400;transition:transform .25s
    }
    .faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .plus{transform:rotate(45deg)}
    .faq-item.open{background:#fffdfd;border-color:#d8a1b8}
    .topic-section{background:#f8eff2}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .topic-card{
      background:#fff;border:1px solid var(--line);border-radius:15px;
      padding:23px;min-height:178px;transition:.25s ease
    }
    .topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d79ab4}
    .topic-icon{
      width:37px;height:37px;border-radius:11px;background:var(--rose);
      color:var(--berry);display:grid;place-items:center;font-size:18px;font-weight:900
    }
    .topic-card h3{font-size:18px;margin:15px 0 7px}
    .topic-card p{color:var(--muted);font-size:13px;margin:0}
    .guide-strip{
      display:grid;grid-template-columns:repeat(3,1fr);gap:0;
      border:1px solid var(--line);border-radius:var(--radius);background:#fff;
      overflow:hidden
    }
    .guide-step{padding:27px 29px;border-right:1px solid var(--line)}
    .guide-step:last-child{border-right:0}
    .step-number{
      color:var(--coral);font-size:12px;font-weight:900;letter-spacing:1px
    }
    .guide-step h3{font-size:18px;margin:7px 0}
    .guide-step p{font-size:13px;color:var(--muted);margin:0}
    .search-panel{
      background:var(--rose);border-radius:var(--radius);padding:30px;
      display:flex;align-items:center;justify-content:space-between;gap:25px
    }
    .search-panel h2{font-size:25px;margin:0 0 6px}
    .search-panel p{color:var(--muted);margin:0}
    .search-box{display:flex;gap:9px;min-width:355px}
    .search-box input{
      min-width:0;flex:1;border:1px solid var(--line);border-radius:11px;
      background:#fff;padding:12px 14px;color:var(--ink)
    }
    .search-box input:focus{outline:0;border-color:var(--berry);box-shadow:0 0 0 4px rgba(166,51,114,.1)}
    .notice{
      margin-top:24px;border-left:4px solid var(--coral);background:#fff;
      border-radius:0 13px 13px 0;padding:17px 20px;color:var(--muted);
      font-size:14px
    }
    .cta-section{padding:0 0 88px}
    .cta-box{
      background:var(--plum);color:#fff;border-radius:var(--radius);
      padding:38px 44px;display:flex;align-items:center;justify-content:space-between;
      gap:24px;position:relative;overflow:hidden
    }
    .cta-box:after{content:"C7";position:absolute;right:28px;bottom:-42px;font-size:170px;font-weight:900;color:rgba(255,255,255,.06)}
    .cta-box h2,.cta-box p{position:relative;z-index:1}
    .cta-box h2{font-size:28px;margin:0 0 8px}
    .cta-box p{color:#e8dce7;margin:0;max-width:620px}
    .cta-actions{display:flex;gap:10px;position:relative;z-index:1;flex:0 0 auto}
    .site-footer{background:var(--plum);color:#fff;padding:60px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand p{color:#d9c6d5;font-size:13px;max-width:310px;margin:18px 0 0}
    .footer-title{font-weight:800;margin:7px 0 15px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#d9c6d5;font-size:13px;transition:.2s}
    .footer-links a:hover{color:var(--mint);padding-left:3px}
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.14);margin-top:43px;padding-top:18px;
      display:flex;justify-content:space-between;gap:15px;color:#c7b4c4;font-size:12px
    }
    @media(max-width:1024px){
      .navbar{gap:14px}
      .logo{min-width:200px}
      .main-nav a{padding:8px 7px;font-size:13px}
      .nav-download{display:none}
      .question-layout{grid-template-columns:1fr 1.35fr}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .navbar{height:68px;justify-content:space-between}
      .logo{min-width:0}
      .main-nav{
        display:none;position:absolute;top:68px;left:0;right:0;
        background:var(--cream);padding:12px 16px 18px;border-bottom:1px solid var(--line);
        flex-direction:column;align-items:stretch;box-shadow:var(--soft-shadow)
      }
      .main-nav.show{display:flex}
      .main-nav a{padding:12px 14px}
      .nav-actions{margin-left:auto}
      .nav-actions .btn{display:none}
      .menu-toggle{display:block}
      .page-hero{padding:58px 0 52px}
      .page-hero h1{font-size:37px}
      .hero-description{font-size:15px}
      .section{padding:62px 0}
      .section-head{display:block}
      .section-lead{margin-top:12px}
      .question-layout,.topic-grid{grid-template-columns:1fr}
      .help-card{min-height:auto}
      .guide-strip{grid-template-columns:1fr}
      .guide-step{border-right:0;border-bottom:1px solid var(--line)}
      .guide-step:last-child{border-bottom:0}
      .search-panel{display:block;padding:25px}
      .search-box{min-width:0;margin-top:18px}
      .cta-box{display:block;padding:31px 25px}
      .cta-actions{margin-top:22px;flex-wrap:wrap}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:7px}
    }
    @media(max-width:480px){
      .logo span{font-size:13px}
      .logo-mark{width:34px;height:34px;font-size:16px}
      .page-hero h1{font-size:32px;letter-spacing:-1px}
      .breadcrumb{line-height:1.5}
      .faq-question{padding:17px 16px;font-size:14px}
      .faq-answer{padding:0 16px 17px}
      .search-box{display:block}
      .search-box input,.search-box .btn{width:100%}
      .search-box .btn{margin-top:9px}
      .cta-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}