/* roulang page: index */
:root{
  --paper:#f5f4f0;--paper-deep:#ebece6;--ink:#20231f;--muted:#697068;--line:#d9ddd3;
  --charcoal:#181a18;--forest:#26302a;--lime:#c8f05a;--lime-soft:#e7f5bd;--coral:#e97852;
  --white:#fffefa;--radius:18px;--radius-sm:12px;--shadow:0 14px 34px rgba(30,35,28,.08);
  --shadow-lg:0 22px 54px rgba(17,20,17,.16);--font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.8;letter-spacing:.01em}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.22;background-image:radial-gradient(rgba(32,35,31,.13) .45px,transparent .55px);background-size:7px 7px;z-index:-1}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,border-color .2s ease}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button{border:0}.container{max-width:1240px;padding-left:24px;padding-right:24px}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px}.site-header{height:80px;background:rgba(245,244,240,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1030;transition:box-shadow .2s ease}.site-header.scrolled{box-shadow:0 7px 20px rgba(25,28,24,.08)}
.navbar{min-height:80px;padding:0}.brand{font-weight:800;font-size:18px;letter-spacing:.03em;white-space:nowrap}.brand-mark{width:8px;height:8px;display:inline-block;background:var(--lime);margin:0 8px 2px 0;border-radius:50%}.nav-link{font-size:14px!important;color:var(--muted)!important;padding:27px 13px!important;margin:0 4px;position:relative}.nav-link:hover{color:var(--ink)!important}.nav-link.active{color:var(--ink)!important;font-weight:700}.nav-link.active:after{content:"";position:absolute;left:13px;right:13px;bottom:18px;height:2px;background:var(--lime)}
.nav-cta,.btn-lime,.btn-outline-dark,.btn-outline-light{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:10px 17px;border-radius:999px;font-weight:700;font-size:14px}.nav-cta,.btn-lime{background:var(--lime);color:var(--charcoal)}.nav-cta:hover,.btn-lime:hover{background:#daf77d;color:var(--charcoal);transform:translateY(-2px)}.btn-lime:active,.nav-cta:active{transform:translateY(0);background:#afd842}.btn-outline-dark{border:1px solid var(--ink);color:var(--ink)}.btn-outline-dark:hover{background:var(--ink);color:var(--white);transform:translateY(-2px)}.btn-outline-light{border:1px solid rgba(255,255,255,.42);color:var(--white)}.btn-outline-light:hover{background:var(--white);color:var(--charcoal);transform:translateY(-2px)}
.menu-toggle{border:1px solid var(--line);background:var(--white);border-radius:10px;width:44px;height:44px;color:var(--ink)}.offcanvas{background:var(--paper);width:min(88vw,360px)}.offcanvas-header{border-bottom:1px solid var(--line)}.offcanvas .nav-link{font-size:20px!important;padding:15px 0!important;margin:0;border-bottom:1px solid var(--line)}.offcanvas .nav-link.active:after{left:0;right:auto;bottom:8px;width:32px}
.section{padding:96px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(40px,5vw,62px);line-height:1.14;letter-spacing:-.045em;font-weight:850}h2{font-size:clamp(30px,3.2vw,42px);line-height:1.22;letter-spacing:-.035em;font-weight:800}h3{font-size:21px;line-height:1.35;font-weight:800}.lead-copy{font-size:17px;line-height:1.9;color:#50584f;max-width:670px}.section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:38px}.section-head p{max-width:510px;color:var(--muted);font-size:15px;margin-bottom:0}
.hero{padding:62px 0 76px;background:var(--charcoal);color:var(--white);overflow:hidden;position:relative}.hero:before{content:"";position:absolute;inset:0;opacity:.13;background-image:linear-gradient(rgba(200,240,90,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(200,240,90,.5) 1px,transparent 1px);background-size:54px 54px}.hero-inner{position:relative;min-height:520px;display:grid;grid-template-columns:1.15fr .85fr;align-items:end;gap:42px}.hero-copy{padding:32px 0}.hero .eyebrow{color:#cfd4cb}.hero h1{max-width:730px;margin:18px 0 22px}.hero h1 em{font-style:normal;color:var(--lime)}.hero p{color:#cbd0c8;max-width:665px;font-size:17px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0}.hero-points{display:flex;gap:20px;flex-wrap:wrap;margin-top:30px}.hero-point{border-left:1px solid rgba(255,255,255,.25);padding-left:12px;font-size:13px;color:#c6ccc3}.hero-point b{display:block;color:var(--lime);font-size:18px;line-height:1.3}
.poster-panel{height:455px;border-radius:var(--radius);background:linear-gradient(145deg,#31382f 0%,#1d211d 58%,#283229 100%);position:relative;overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.13)}.poster-panel:before{content:"";position:absolute;width:320px;height:320px;border:1px solid rgba(200,240,90,.4);border-radius:50%;right:-100px;top:-75px}.poster-panel:after{content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.12);border-radius:12px}.poster-label{position:absolute;top:37px;left:38px;z-index:1;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.15em}.poster-number{position:absolute;right:31px;bottom:13px;font-size:160px;line-height:1;color:rgba(255,255,255,.07);font-weight:900}.poster-content{position:absolute;left:38px;right:38px;bottom:42px;z-index:1}.heat-badge{display:inline-flex;padding:5px 10px;background:var(--coral);color:white;border-radius:999px;font-size:12px;font-weight:800;margin-bottom:14px}.poster-content h3{font-size:31px;margin-bottom:6px}.poster-content p{font-size:13px;margin:0;color:#c4ccc1}.static-note{position:absolute;right:27px;top:33px;z-index:1;background:rgba(255,255,255,.1);padding:5px 9px;border-radius:999px;font-size:11px;color:#d6ddd3}
.dashboard{margin-top:-36px;position:relative;z-index:3}.dash-shell{background:var(--white);box-shadow:var(--shadow);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.dash-title{font-size:13px;color:var(--muted);font-weight:700;margin:0 0 14px}.metric{padding:14px 17px;border-left:1px solid var(--line)}.metric:first-child{border-left:0}.metric span{font-size:12px;color:var(--muted);display:block}.metric strong{font-size:25px;line-height:1.3;display:block;letter-spacing:-.04em}.metric small{font-size:11px;color:#7a8179}.scale{height:6px;background:#e1e4dc;border-radius:999px;overflow:hidden;margin-top:9px}.scale i{height:100%;display:block;background:var(--lime);border-radius:999px}.matrix{display:grid;grid-template-columns:1.15fr 1.15fr .7fr;gap:16px}.matrix-card{border:1px solid var(--line);background:var(--white);border-radius:var(--radius);padding:25px;min-height:190px;position:relative;box-shadow:0 6px 14px rgba(26,30,25,.03);display:flex;flex-direction:column;justify-content:space-between}.matrix-card:hover{border-color:var(--ink);transform:translateY(-3px);box-shadow:var(--shadow)}.matrix-card.dark{background:var(--forest);color:var(--white);border-color:var(--forest)}.matrix-card.wide{grid-column:span 2;min-height:215px}.matrix-card.soft{background:#edf0e7}.card-index{font-size:12px;color:var(--coral);font-weight:800;letter-spacing:.12em}.dark .card-index{color:var(--lime)}.matrix-card p{font-size:14px;line-height:1.75;color:var(--muted);margin:9px 0 12px}.dark p{color:#c5cec3}.text-link{font-size:14px;font-weight:800;display:inline-flex;align-items:center;gap:8px}.text-link:after{content:"→";font-size:19px;line-height:1}.text-link:hover{color:var(--coral)}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag{padding:4px 9px;border:1px solid var(--line);border-radius:999px;font-size:11px;color:var(--muted);font-weight:700}.dark .tag{border-color:rgba(255,255,255,.2);color:#e2e8df}.wide-content{display:flex;justify-content:space-between;gap:24px;align-items:end}.bar-list{width:min(320px,100%)}.bar-item{display:grid;grid-template-columns:72px 1fr 30px;gap:8px;align-items:center;font-size:11px;color:#d2dad0;margin-top:8px}.bar-item b{font-weight:700;text-align:right;color:var(--lime)}.compare-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white);box-shadow:var(--shadow)}.compare-labels,.compare-row{display:grid;grid-template-columns:1.1fr 1.25fr .9fr;gap:20px;align-items:center;padding:18px 24px}.compare-labels{background:#e9ece5;color:var(--muted);font-size:12px;font-weight:800;letter-spacing:.07em}.compare-row{border-top:1px solid var(--line)}.compare-row:hover{background:#fbfbf7}.compare-name b{display:block;font-size:16px}.compare-name span,.compare-use{font-size:13px;color:var(--muted)}.meter{height:8px;background:#e0e4dc;border-radius:999px;position:relative;overflow:visible}.meter i{display:block;height:100%;background:var(--ink);border-radius:999px;position:relative}.meter i:after{content:"";position:absolute;right:-4px;top:-3px;width:14px;height:14px;background:var(--coral);border-radius:50%;border:3px solid var(--white)}.meter.lime i{background:var(--lime)}
.quote-section{background:#e9ece4}.quote-card{background:var(--charcoal);border-radius:var(--radius);color:var(--white);padding:38px;min-height:272px;position:relative;overflow:hidden}.quote-card:after{content:"“";position:absolute;right:25px;top:-35px;font-size:180px;color:rgba(200,240,90,.14);font-family:serif}.quote-card p{font-size:20px;line-height:1.7;position:relative;margin-bottom:28px}.quote-card small{color:#bfc7bc}.quote-meta{color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.1em}
.news-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:26px}.news-list{border-top:1px solid var(--ink)}.news-item{display:grid;grid-template-columns:82px 1fr auto;gap:18px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}.news-item:hover .news-title{color:var(--coral)}.news-no{font-size:12px;font-weight:800;color:var(--coral)}.news-title{font-size:18px;font-weight:800;margin-bottom:3px}.news-desc{font-size:13px;color:var(--muted);margin:0}.news-arrow{font-size:23px}.side-note{background:#edf0e7;border-radius:var(--radius);padding:29px;border:1px solid var(--line)}.side-note h3{margin:15px 0 10px}.side-note p{font-size:14px;color:var(--muted)}.rule-list{list-style:none;padding:0;margin:18px 0}.rule-list li{padding:10px 0;border-top:1px solid var(--line);font-size:14px}.rule-list li:before{content:"✓";color:#607a1e;font-weight:900;margin-right:9px}
.safety{padding:70px 0;background:var(--forest);color:var(--white);position:relative}.safety:before{content:"";position:absolute;inset:0;opacity:.1;background-image:linear-gradient(90deg,#fff 1px,transparent 1px);background-size:46px 46px}.safety .container{position:relative}.safety-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:center}.safety p{color:#c8d0c6}.promise{display:grid;grid-template-columns:1fr 1fr;gap:12px}.promise-item{border:1px solid rgba(255,255,255,.18);padding:17px;border-radius:var(--radius-sm);background:rgba(255,255,255,.04)}.promise-item b{display:block;color:var(--lime);font-size:14px;margin-bottom:5px}.promise-item span{font-size:12px;color:#cbd2c9;line-height:1.55;display:block}
.faq-area{background:#f0f1ec}.faq-intro{padding-right:34px}.faq-index{margin-top:28px;display:flex;gap:7px}.faq-index i{width:28px;height:3px;background:var(--line)}.faq-index i:first-child{background:var(--lime)}.accordion-item{border:1px solid var(--line)!important;border-radius:var(--radius-sm)!important;overflow:hidden;background:var(--white);margin-bottom:11px}.accordion-button{background:var(--white)!important;color:var(--ink)!important;padding:19px 21px;font-weight:800;box-shadow:none!important;gap:13px}.accordion-button:not(.collapsed){background:#eff5dc!important}.accordion-button:before{content:counter(faq,decimal-leading-zero);counter-increment:faq;color:var(--coral);font-size:12px;letter-spacing:.08em}.accordion{counter-reset:faq}.accordion-button:after{background-size:15px;opacity:.75}.accordion-body{padding:0 22px 21px 53px;font-size:14px;color:#556057;line-height:1.85}
.cta-panel{background:var(--charcoal);color:var(--white);border-radius:24px;padding:58px;position:relative;overflow:hidden}.cta-panel:before{content:"";position:absolute;inset:0;opacity:.13;background-image:linear-gradient(rgba(200,240,90,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(200,240,90,.5) 1px,transparent 1px);background-size:36px 36px}.cta-panel>*{position:relative}.cta-panel p{color:#c8d0c5;max-width:490px}.form-label{font-size:13px;font-weight:700;color:#eef2ea}.required{color:var(--lime)}.form-control,.form-select{background:#fffefa;border:1px solid #4d564c;border-radius:10px;min-height:47px;padding:10px 13px;color:var(--ink)}.form-control:focus,.form-select:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,240,90,.2)}textarea.form-control{min-height:105px;resize:vertical}.form-text{color:#b5c0b3;font-size:12px}.submit-message{display:none;color:var(--lime);font-size:13px;font-weight:700;margin-top:12px}.trust-line{border-top:1px solid rgba(255,255,255,.18);margin-top:31px;padding-top:18px;display:flex;gap:20px;flex-wrap:wrap;color:#cbd3c8;font-size:12px}.trust-line span:before{content:"•";color:var(--lime);margin-right:7px}
.site-footer{background:var(--charcoal);color:var(--white);border-top:1px solid rgba(255,255,255,.16);padding:53px 0 22px}.footer-brand{font-weight:800;font-size:19px}.footer-copy{font-size:13px;color:#bac3b8;max-width:300px;margin-top:11px}.footer-title{font-size:12px;color:var(--lime);letter-spacing:.1em;font-weight:800;margin-bottom:12px}.footer-links{display:flex;flex-direction:column}.footer-links a{font-size:13px;color:#d1d8cf;padding:5px 0;min-height:31px}.footer-links a:hover{color:var(--lime)}.copyright{margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.15);font-size:12px;color:#9ba59a;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
@media(max-width:991.98px){.hero-inner{grid-template-columns:1fr;min-height:auto}.poster-panel{height:330px}.dashboard{margin-top:0;padding-top:20px}.matrix{grid-template-columns:1fr 1fr}.matrix-card.wide{grid-column:span 2}.matrix-card:last-child{grid-column:span 2}.safety-grid,.news-grid{grid-template-columns:1fr}.faq-intro{padding-right:0;margin-bottom:30px}.section{padding:74px 0}.cta-panel{padding:40px}.nav-link{padding-left:8px!important;padding-right:8px!important}}
@media(max-width:767.98px){.site-header,.navbar{height:70px;min-height:70px}.hero{padding:42px 0 55px}.hero-inner{gap:26px}.hero-copy{padding:10px 0}.hero p,.lead-copy{font-size:15px}.poster-panel{height:285px}.poster-content{left:25px;right:25px;bottom:28px}.poster-content h3{font-size:24px}.poster-label{top:24px;left:25px}.dash-shell{padding:8px}.metric{border-left:0;border-top:1px solid var(--line);padding:12px}.metric:first-child{border-top:0}.section-head{display:block;margin-bottom:27px}.section-head h2{margin-bottom:14px}.matrix{grid-template-columns:1fr}.matrix-card.wide,.matrix-card:last-child{grid-column:span 1}.wide-content{display:block}.bar-list{margin-top:17px}.compare-labels{display:none}.compare-row{display:block;padding:18px}.compare-name{margin-bottom:13px}.compare-use{display:block;margin-top:13px}.quote-card{padding:29px}.quote-card p{font-size:17px}.news-item{grid-template-columns:50px 1fr auto;gap:10px}.news-title{font-size:15px}.news-desc{font-size:12px}.safety{padding:58px 0}.promise{grid-template-columns:1fr}.cta-panel{padding:30px 22px}.footer-group{margin-top:26px}.copyright{margin-top:25px}}
@media(max-width:575.98px){.container{padding-left:20px;padding-right:20px}h1{font-size:36px}.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions a{width:100%}.hero-points{gap:11px}.hero-point{font-size:11px}.metric strong{font-size:22px}.section{padding:57px 0}.matrix-card{padding:21px;min-height:170px}.cta-panel{border-radius:18px}.trust-line{display:block}.trust-line span{display:block;margin:8px 0}.btn-lime{width:100%}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category2 */
:root{
 --paper:#f5f4f0;--paper-deep:#ebece6;--ink:#20231f;--muted:#697068;--line:#d9ddd3;
 --charcoal:#181a18;--forest:#26302a;--lime:#c8f05a;--lime-soft:#e7f5bd;--coral:#e97852;
 --white:#fffefa;--radius:18px;--radius-sm:12px;--shadow:0 14px 34px rgba(30,35,28,.08);
 --shadow-lg:0 22px 54px rgba(17,20,17,.16);--font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.8;letter-spacing:.01em}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.2;background-image:radial-gradient(rgba(32,35,31,.13) .45px,transparent .55px);background-size:7px 7px;z-index:-1}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,border-color .2s ease}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button{border:0}
.container{max-width:1240px;padding-left:24px;padding-right:24px}
.site-header{height:80px;background:rgba(245,244,240,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1030;transition:box-shadow .2s ease}
.site-header.scrolled{box-shadow:0 7px 20px rgba(25,28,24,.08)}
.navbar{min-height:80px;padding:0}
.brand{font-weight:800;font-size:18px;letter-spacing:.03em;white-space:nowrap}
.brand-mark{width:8px;height:8px;display:inline-block;background:var(--lime);margin:0 8px 2px 0;border-radius:50%}
.nav-link{font-size:14px!important;color:var(--muted)!important;padding:27px 13px!important;margin:0 4px;position:relative}
.nav-link:hover{color:var(--ink)!important}
.nav-link.active{color:var(--ink)!important;font-weight:700}
.nav-link.active:after{content:"";position:absolute;left:13px;right:13px;bottom:18px;height:2px;background:var(--lime)}
.nav-cta,.btn-lime,.btn-outline-dark,.btn-outline-light{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:10px 17px;border-radius:999px;font-weight:700;font-size:14px}
.nav-cta,.btn-lime{background:var(--lime);color:var(--charcoal)}
.nav-cta:hover,.btn-lime:hover{background:#daf77d;color:var(--charcoal);transform:translateY(-2px)}
.btn-lime:active,.nav-cta:active{transform:translateY(0);background:#afd842}
.btn-outline-dark{border:1px solid var(--ink);color:var(--ink)}
.btn-outline-dark:hover{background:var(--ink);color:var(--white);transform:translateY(-2px)}
.btn-outline-light{border:1px solid rgba(255,255,255,.42);color:var(--white)}
.btn-outline-light:hover{background:var(--white);color:var(--charcoal);transform:translateY(-2px)}
.menu-toggle{border:1px solid var(--line);background:var(--white);border-radius:10px;width:44px;height:44px;color:var(--ink)}
.offcanvas{background:var(--paper);width:min(88vw,360px)}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas .nav-link{font-size:20px!important;padding:15px 0!important;margin:0;border-bottom:1px solid var(--line)}
.offcanvas .nav-link.active:after{left:0;right:auto;bottom:8px;width:32px}
.section{padding:94px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;font-weight:800;letter-spacing:.12em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}
h1,h2,h3{font-weight:800;letter-spacing:-.035em;line-height:1.2}
h1{font-size:clamp(36px,5vw,58px)}
h2{font-size:clamp(30px,4vw,40px)}
h3{font-size:21px}
.lead-copy{font-size:17px;line-height:1.9;color:#50584f;max-width:670px}
.hero{padding:58px 0 70px;background:var(--charcoal);color:var(--white);overflow:hidden;position:relative}
.hero:before{content:"";position:absolute;inset:0;opacity:.13;background-image:linear-gradient(rgba(200,240,90,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(200,240,90,.5) 1px,transparent 1px);background-size:54px 54px}
.hero-inner{position:relative;min-height:465px;display:grid;grid-template-columns:1fr .9fr;align-items:center;gap:54px}
.hero .eyebrow{color:#cfd4cb}
.hero h1{max-width:650px;margin:18px 0 22px}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero p{color:#cbd0c8;max-width:625px;font-size:17px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}
.heat-badge{display:inline-flex;padding:5px 10px;background:var(--coral);color:white;border-radius:999px;font-size:12px;font-weight:800;margin-bottom:14px}
.poster{min-height:390px;border:1px solid rgba(255,255,255,.2);background:var(--forest);border-radius:20px;padding:28px;position:relative;overflow:hidden;display:flex;align-items:end;box-shadow:var(--shadow-lg)}
.poster:before{content:"";position:absolute;inset:24px;background:linear-gradient(135deg,transparent 0 42%,rgba(200,240,90,.85) 42% 44%,transparent 44% 57%,rgba(233,120,82,.85) 57% 59%,transparent 59%),repeating-linear-gradient(90deg,rgba(255,255,255,.08) 0 1px,transparent 1px 19px);opacity:.75}
.poster:after{content:"01 / GUIDE";position:absolute;top:28px;right:28px;color:var(--lime);font-size:12px;letter-spacing:.16em;font-weight:800}
.poster-caption{position:relative;z-index:1;border-left:3px solid var(--lime);padding-left:16px}
.poster-caption strong{display:block;font-size:28px;line-height:1.25}
.poster-caption span{color:#cbd0c8;font-size:13px}
.index-band{padding:18px 0;background:var(--lime);color:var(--charcoal)}
.index-band .container{display:flex;justify-content:space-between;gap:20px;align-items:center}
.index-band strong{font-size:14px}
.index-band span{font-size:13px}
.section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:36px}
.section-head p{max-width:530px;color:var(--muted);font-size:15px;margin:0}
.guide-grid{display:grid;grid-template-columns:1fr 1fr .62fr;gap:16px}
.guide-card{border:1px solid var(--line);background:var(--white);border-radius:var(--radius);padding:25px;min-height:220px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 6px 14px rgba(26,30,25,.03)}
.guide-card:hover{border-color:var(--ink);transform:translateY(-3px);box-shadow:var(--shadow)}
.guide-card.dark{background:var(--forest);color:var(--white);border-color:var(--forest)}
.guide-card.wide{grid-column:span 2;min-height:190px}
.card-index{font-size:12px;color:var(--coral);font-weight:800;letter-spacing:.12em}
.dark .card-index{color:var(--lime)}
.guide-card p{font-size:14px;line-height:1.75;color:var(--muted);margin:9px 0 12px}
.dark p{color:#cbd0c8}
.text-link{font-size:14px;font-weight:800;display:inline-flex;align-items:center;gap:8px}
.text-link:after{content:"→";font-size:19px;line-height:1}
.text-link:hover{color:var(--coral)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{padding:4px 9px;border:1px solid var(--line);border-radius:999px;font-size:11px;color:var(--muted);font-weight:700}
.dark .tag{border-color:rgba(255,255,255,.2);color:#e2e8df}
.scale{margin-top:14px}
.scale-line{height:6px;background:#dfe5d9;border-radius:99px;overflow:hidden}
.scale-line i{display:block;height:100%;background:var(--lime);width:72%}
.scale-label{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:6px}
.compare-section{background:#e9ece4}
.compare-board{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.compare-labels,.compare-row{display:grid;grid-template-columns:1.1fr 1.25fr .9fr;gap:20px;align-items:center;padding:18px 24px}
.compare-labels{background:var(--charcoal);color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.08em}
.compare-row{border-top:1px solid var(--line)}
.compare-row:hover{background:#fbfbf7}
.compare-row small{color:var(--muted)}
.dots{display:flex;gap:6px}
.dots i{width:10px;height:10px;border-radius:50%;background:var(--line)}
.dots i.on{background:var(--coral)}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}
.faq-note{border-left:2px solid var(--lime);padding-left:18px;color:var(--muted);font-size:14px}
.accordion-item{border:1px solid var(--line)!important;border-radius:16px!important;margin-bottom:12px;overflow:hidden;background:var(--white)}
.accordion-button{background:var(--white)!important;color:var(--ink)!important;box-shadow:none!important;font-weight:700;padding:20px 22px;min-height:64px}
.accordion-button:focus{outline:3px solid rgba(200,240,90,.65);outline-offset:-3px}
.accordion-button:not(.collapsed){background:var(--lime-soft)!important}
.accordion-button:after{background-image:none!important;content:"+";font-size:25px;color:var(--coral);font-weight:400;width:auto;height:auto}
.accordion-button:not(.collapsed):after{content:"−"}
.accordion-body{padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.85}
.cta-panel{background:var(--charcoal);color:var(--white);border-radius:22px;padding:52px;position:relative;overflow:hidden}
.cta-panel:before{content:"02 / NOTE";position:absolute;right:42px;top:28px;color:var(--lime);font-size:12px;letter-spacing:.16em}
.cta-panel p{color:#cbd0c8;max-width:650px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}
.site-footer{background:var(--charcoal);color:var(--white);border-top:1px solid rgba(255,255,255,.12);padding:58px 0 25px}
.footer-brand{font-size:18px;font-weight:800}
.footer-copy{color:#aeb6aa;font-size:14px;max-width:310px;margin-top:14px}
.footer-title{color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.1em;margin-bottom:12px}
.footer-links{display:flex;flex-direction:column;gap:6px}
.footer-links a{color:#c2c9bf;font-size:14px;min-height:32px}
.footer-links a:hover{color:var(--lime)}
.copyright{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.15);margin-top:40px;padding-top:18px;color:#8f988d;font-size:12px}
.breadcrumb-wrap{padding:22px 0 0}
.breadcrumb{font-size:13px;color:var(--muted);margin:0}
.breadcrumb a:hover{color:var(--coral)}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
@media(max-width:991px){
 .hero-inner{grid-template-columns:1fr;min-height:0}.poster{min-height:300px}
 .guide-grid{grid-template-columns:1fr 1fr}.guide-card.wide{grid-column:span 2}
 .faq-layout{gap:35px}
}
@media(max-width:767px){
 .site-header,.navbar{height:72px;min-height:72px}.nav-cta{display:none}
 .hero{padding:45px 0 52px}.hero h1{font-size:38px}.hero-inner{gap:30px}
 .index-band .container{display:block}.index-band span{display:block;margin-top:4px}
 .section{padding:68px 0}.section-head{display:block;margin-bottom:26px}.section-head p{margin-top:14px}
 .guide-grid{grid-template-columns:1fr}.guide-card.wide{grid-column:auto}
 .compare-labels{display:none}.compare-row{display:block;padding:20px}.compare-row>div{margin-bottom:9px}.compare-row>div:last-child{margin-bottom:0}
 .faq-layout{grid-template-columns:1fr;gap:26px}
 .cta-panel{padding:34px 24px}.cta-panel:before{right:24px}
}
@media(max-width:575px){
 .container{padding-left:20px;padding-right:20px}
 .hero h1{font-size:34px}.poster{min-height:250px;padding:20px}
 .poster:before{inset:18px}.poster:after{top:20px;right:20px}
 .poster-caption strong{font-size:23px}
 .copyright{display:block}.copyright span{display:block;margin-top:6px}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}

/* roulang page: category1 */
:root{
 --paper:#f5f4f0;--paper-deep:#ebece6;--ink:#20231f;--muted:#697068;--line:#d9ddd3;
 --charcoal:#181a18;--forest:#26302a;--lime:#c8f05a;--lime-soft:#e7f5bd;--coral:#e97852;
 --white:#fffefa;--radius:18px;--radius-sm:12px;--shadow:0 14px 34px rgba(30,35,28,.08);
 --shadow-lg:0 22px 54px rgba(17,20,17,.16);--font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.8;letter-spacing:.01em}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.18;background-image:radial-gradient(rgba(32,35,31,.13) .45px,transparent .55px);background-size:7px 7px;z-index:-1}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,border-color .2s ease,box-shadow .2s ease}
img{display:block;max-width:100%}
button,input,select,textarea{font:inherit}
button{border:0}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
.container{max-width:1240px;padding-left:24px;padding-right:24px}
.site-header{height:80px;background:rgba(245,244,240,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1030;transition:box-shadow .2s ease}
.site-header.scrolled{box-shadow:0 7px 20px rgba(25,28,24,.08)}
.navbar{min-height:80px;padding:0}
.brand{font-weight:800;font-size:18px;letter-spacing:.03em;white-space:nowrap}
.brand-mark{width:8px;height:8px;display:inline-block;background:var(--lime);margin:0 8px 2px 0;border-radius:50%}
.nav-link{font-size:14px!important;color:var(--muted)!important;padding:27px 13px!important;margin:0 4px;position:relative}
.nav-link:hover{color:var(--ink)!important}
.nav-link.active{color:var(--ink)!important;font-weight:700}
.nav-link.active:after{content:"";position:absolute;left:13px;right:13px;bottom:18px;height:2px;background:var(--lime)}
.nav-cta,.btn-lime,.btn-outline-dark,.btn-outline-light{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:10px 17px;border-radius:999px;font-weight:700;font-size:14px}
.nav-cta,.btn-lime{background:var(--lime);color:var(--charcoal)}
.nav-cta:hover,.btn-lime:hover{background:#daf77d;color:var(--charcoal);transform:translateY(-2px)}
.nav-cta:active,.btn-lime:active{transform:translateY(0);background:#afd842}
.btn-outline-dark{border:1px solid var(--ink);color:var(--ink)}
.btn-outline-dark:hover{background:var(--ink);color:var(--white);transform:translateY(-2px)}
.btn-outline-light{border:1px solid rgba(255,255,255,.42);color:var(--white)}
.btn-outline-light:hover{background:var(--white);color:var(--charcoal);transform:translateY(-2px)}
.menu-toggle{border:1px solid var(--line);background:var(--white);border-radius:10px;width:44px;height:44px;color:var(--ink);font-size:18px}
.offcanvas{background:var(--paper);width:min(88vw,360px)}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas .nav-link{font-size:20px!important;padding:15px 0!important;margin:0;border-bottom:1px solid var(--line)}
.offcanvas .nav-link.active:after{left:0;right:auto;bottom:8px;width:32px}
.section{padding:92px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;font-weight:800;letter-spacing:.12em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}
.section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:35px}
.section-head h2{margin:9px 0 0;font-size:35px;line-height:1.3;letter-spacing:-.03em;font-weight:800}
.section-head p{max-width:480px;margin:0;color:var(--muted);font-size:15px;line-height:1.8}
.breadcrumb-wrap{padding:22px 0 0}
.breadcrumb{margin:0;font-size:13px;color:var(--muted)}
.breadcrumb-item+.breadcrumb-item:before{color:#9ba197;content:"›";padding-right:10px}
.breadcrumb-item a:hover{color:var(--coral)}
.breadcrumb-item.active{color:var(--ink)}
.index-hero{padding:36px 0 62px;position:relative;overflow:hidden}
.index-hero:after{content:"01 / INDEX";position:absolute;right:3vw;bottom:-35px;font-size:132px;line-height:1;font-weight:800;letter-spacing:-.08em;color:#e4e6df;z-index:-1}
.index-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:end}
.index-hero h1{font-size:52px;line-height:1.16;letter-spacing:-.055em;max-width:720px;margin:18px 0}
.index-hero h1 span{color:var(--coral)}
.index-hero .intro{max-width:690px;color:#50584f;font-size:17px;line-height:1.9;margin:0}
.hero-meta{border-left:1px solid var(--line);padding:12px 0 12px 28px}
.hero-meta strong{display:block;font-size:13px;letter-spacing:.08em;margin-bottom:9px}
.hero-meta p{font-size:14px;color:var(--muted);line-height:1.75;margin:0 0 16px}
.pill-nav{display:flex;gap:9px;flex-wrap:wrap}
.filter-pill{display:inline-flex;align-items:center;min-height:38px;padding:6px 13px;border:1px solid var(--line);border-radius:999px;background:var(--white);font-size:13px;font-weight:700;color:var(--muted)}
.filter-pill:hover,.filter-pill.active{border-color:var(--ink);background:var(--ink);color:var(--white)}
.filter-pill.active:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);margin-right:7px}
.index-area{padding:10px 0 96px}
.index-layout{display:grid;grid-template-columns:205px minmax(0,1fr);gap:34px}
.side-index{align-self:start;position:sticky;top:105px;padding:22px 0;border-top:2px solid var(--ink)}
.side-index-title{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--muted);margin-bottom:13px}
.side-index a{display:flex;align-items:center;justify-content:space-between;min-height:44px;border-bottom:1px solid var(--line);font-size:14px;font-weight:700}
.side-index a:hover{color:var(--coral);padding-left:4px}
.side-index small{color:var(--muted);font-size:11px}
.masonry{columns:3 220px;column-gap:18px}
.story-card{display:inline-block;width:100%;break-inside:avoid;margin:0 0 18px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 5px 14px rgba(26,30,25,.025);vertical-align:top}
.story-card:hover{border-color:var(--ink);transform:translateY(-3px);box-shadow:var(--shadow)}
.story-visual{position:relative;overflow:hidden;background:var(--forest)}
.story-visual:before,.story-visual:after{content:"";position:absolute}
.story-visual.one{height:194px;background:linear-gradient(145deg,#29352b 0%,#26302a 47%,#8d9d71 48%,#dfe7c2 100%)}
.story-visual.two{height:264px;background:linear-gradient(160deg,#ede1cc 0%,#e97852 0 27%,#26302a 28% 65%,#c8f05a 66% 100%)}
.story-visual.three{height:208px;background:linear-gradient(130deg,#d5d9d0 0 38%,#20231f 39% 68%,#e97852 69% 100%)}
.story-visual.four{height:298px;background:linear-gradient(180deg,#c8f05a 0 25%,#eff0e9 26% 62%,#26302a 63% 100%)}
.story-visual.five{height:185px;background:linear-gradient(135deg,#26302a 0 52%,#e97852 53% 68%,#f1eee5 69% 100%)}
.story-visual.six{height:244px;background:linear-gradient(155deg,#e7e8df 0 31%,#667262 32% 58%,#181a18 59% 100%)}
.story-visual:before{width:44%;height:44%;right:-8%;top:16%;border:1px solid rgba(255,255,255,.55);border-radius:50%}
.story-visual:after{left:18px;bottom:16px;width:62px;height:2px;background:var(--lime);box-shadow:0 8px 0 rgba(255,255,255,.55),0 16px 0 rgba(255,255,255,.25)}
.story-no{position:absolute;top:15px;left:16px;color:var(--white);font-size:12px;font-weight:800;letter-spacing:.12em;z-index:1}
.story-body{padding:19px 19px 18px}
.story-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.tag{display:inline-flex;align-items:center;padding:3px 8px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:11px;font-weight:700}
.tag.accent{border-color:#b7d95a;background:var(--lime-soft);color:#3c4a21}
.story-card h3{font-size:19px;line-height:1.4;font-weight:800;margin:0 0 8px}
.story-card p{font-size:14px;color:var(--muted);line-height:1.75;margin:0}
.story-foot{display:flex;align-items:center;justify-content:space-between;margin-top:15px;padding-top:13px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.story-arrow{font-size:20px;line-height:1;color:var(--ink);transition:transform .2s ease}
.story-card:hover .story-arrow{transform:translateX(4px);color:var(--coral)}
.load-row{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:20px}
.page-num{width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:var(--white);border-radius:10px;font-size:13px;font-weight:800}
.page-num.active{background:var(--ink);border-color:var(--ink);color:var(--white);position:relative}
.page-num.active:after{content:"";position:absolute;width:5px;height:5px;border-radius:50%;background:var(--lime);bottom:5px}
.page-num:hover{border-color:var(--ink);transform:translateY(-2px)}
.recognition{background:#e9ece4;padding:92px 0}
.recognition-grid{display:grid;grid-template-columns:1.1fr .85fr;gap:24px}
.scale-panel,.rule-panel{border-radius:var(--radius);padding:31px;background:var(--white);border:1px solid var(--line)}
.scale-panel h3,.rule-panel h3{font-size:22px;line-height:1.4;margin:10px 0 19px;font-weight:800}
.scale-row{display:grid;grid-template-columns:100px 1fr 44px;align-items:center;gap:12px;padding:11px 0;border-top:1px solid var(--line);font-size:13px}
.scale-row:first-of-type{border-top:0}
.meter{height:8px;background:#e5e8df;border-radius:99px;overflow:hidden;position:relative}
.meter span{display:block;height:100%;background:var(--forest);border-radius:99px;position:relative}
.meter span:after{content:"";position:absolute;right:0;top:-3px;width:14px;height:14px;border-radius:50%;background:var(--lime);border:2px solid var(--forest)}
.scale-row b{font-size:12px;text-align:right;color:var(--muted)}
.cloud{display:flex;flex-wrap:wrap;gap:9px;margin:17px 0 25px}
.cloud span{padding:7px 11px;border:1px solid var(--line);background:var(--paper);border-radius:999px;font-size:13px;font-weight:700}
.cloud span:nth-child(2n){background:var(--lime-soft);border-color:#c9de8f}
.cloud span:nth-child(3n){background:#f4ddd5;border-color:#eebba9}
.rule-list{list-style:none;margin:0;padding:0}
.rule-list li{position:relative;padding:13px 0 13px 25px;border-top:1px solid var(--line);font-size:14px;color:#50584f}
.rule-list li:before{content:"";position:absolute;left:0;top:23px;width:10px;height:10px;border:2px solid var(--coral);border-radius:50%}
.next-strip{background:var(--charcoal);color:var(--white);padding:62px 0;position:relative;overflow:hidden}
.next-strip:before{content:"";position:absolute;inset:0;opacity:.13;background-image:linear-gradient(rgba(200,240,90,.45) 1px,transparent 1px),linear-gradient(90deg,rgba(200,240,90,.45) 1px,transparent 1px);background-size:46px 46px}
.next-content{position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px}
.next-content h2{margin:8px 0 0;font-size:31px;line-height:1.3;font-weight:800}
.next-content p{max-width:570px;color:#cbd0c8;font-size:15px;margin:13px 0 0}
.site-footer{background:var(--charcoal);color:var(--white);padding:58px 0 24px;border-top:1px solid rgba(255,255,255,.16)}
.footer-brand{font-size:18px;font-weight:800;letter-spacing:.03em;margin-bottom:11px}
.footer-copy{max-width:330px;font-size:14px;line-height:1.8;color:#b9c1b6;margin:0}
.footer-group{margin-top:5px}
.footer-title{font-size:12px;letter-spacing:.11em;color:var(--lime);font-weight:800;margin-bottom:12px}
.footer-links{display:flex;flex-direction:column;align-items:flex-start}
.footer-links a{color:#c6ccc3;font-size:14px;line-height:1.5;min-height:32px;padding:4px 0}
.footer-links a:hover{color:var(--lime);transform:translateX(3px)}
.copyright{border-top:1px solid rgba(255,255,255,.15);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#9ba39a;font-size:12px}
@media (max-width:1199.98px){
 .index-hero h1{font-size:45px}.masonry{columns:2 240px}.section{padding:78px 0}
}
@media (max-width:991.98px){
 .site-header,.navbar{height:72px;min-height:72px}.index-hero-grid{grid-template-columns:1fr;gap:28px}.hero-meta{border-left:0;border-top:1px solid var(--line);padding:22px 0 0}.index-layout{grid-template-columns:1fr}.side-index{position:static;display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:2px solid var(--ink)}.side-index-title{grid-column:1/-1}.side-index a{margin-right:18px}.recognition-grid{grid-template-columns:1fr}.footer-group{margin-top:32px}
}
@media (max-width:767.98px){
 .container{padding-left:20px;padding-right:20px}.index-hero{padding:28px 0 50px}.index-hero:after{font-size:82px;bottom:-18px}.index-hero h1{font-size:35px;line-height:1.23}.index-hero .intro{font-size:16px}.section{padding:62px 0}.section-head{display:block;margin-bottom:27px}.section-head h2{font-size:29px}.section-head p{margin-top:13px}.pill-nav{padding-bottom:3px;flex-wrap:nowrap;overflow-x:auto}.filter-pill{white-space:nowrap}.side-index{grid-template-columns:repeat(2,1fr)}.masonry{columns:2 160px;column-gap:12px}.story-card{margin-bottom:12px}.story-body{padding:16px}.story-card h3{font-size:17px}.story-visual.two{height:220px}.story-visual.four{height:236px}.recognition{padding:62px 0}.scale-panel,.rule-panel{padding:24px}.next-content{align-items:flex-start;flex-direction:column}.next-content h2{font-size:27px}.copyright{flex-direction:column;gap:4px}
}
@media (max-width:575.98px){
 body{font-size:15px}.brand{font-size:16px}.breadcrumb-wrap{padding-top:17px}.index-hero h1{font-size:32px}.hero-meta{padding-left:0}.side-index{grid-template-columns:1fr}.side-index a{margin-right:0}.masonry{columns:1}.story-visual.one,.story-visual.two,.story-visual.three,.story-visual.four,.story-visual.five,.story-visual.six{height:210px}.scale-row{grid-template-columns:76px 1fr 36px;gap:8px;font-size:12px}.next-strip{padding:52px 0}.footer-group{margin-top:28px}
}
@media (prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}