/* roulang page: index */
:root{--bg:#f3f4ee;--ink:#17231d;--muted:#70796f;--line:#dce1d5;--accent:#c8df9a;--dark:#111815;--radius:22px;--shadow:0 18px 45px #12231a0c}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img,svg{max-width:100%;display:block}::selection{background:var(--accent);color:var(--ink)}:focus-visible{outline:3px solid #7d9e43;outline-offset:5px}a,button,.card{transition:background .2s,color .2s,transform .2s,box-shadow .2s}a:active,button:active{transform:translateY(1px)}
.sidebar{position:fixed;inset:0 auto 0 0;width:218px;padding:42px 24px 26px;background:var(--dark);color:#dce3da;display:flex;flex-direction:column;z-index:40;border-right:1px solid #28352c}.logo{display:flex;align-items:center;gap:11px}.logo-symbol{font-size:38px;font-weight:900;letter-spacing:-4px;color:var(--accent);line-height:1}.logo-name{font-size:12px;line-height:1.5;letter-spacing:1px}.navigation{display:flex;flex-direction:column;gap:9px;margin-top:65px}.nav-link{padding:13px 16px;border-radius:10px;font-size:14px;display:flex;align-items:center;justify-content:space-between;color:#aab5ad}.nav-link:hover{background:#263329;color:#fff}.nav-link.active{background:var(--accent);color:var(--dark);font-weight:700}.sidebar-note{margin-top:auto;border-top:1px solid #334035;padding-top:22px;font-size:12px;color:#95a398}
.page-shell{margin-left:218px}.container{width:min(1160px,calc(100% - 88px));margin:auto}.section{padding:68px 0;border-bottom:1px solid var(--line)}.section-heading{font-size:clamp(25px,2.4vw,36px);line-height:1.4;font-weight:750;letter-spacing:-1px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:2px;color:var(--muted);margin-bottom:12px}.intro{font-size:15px;line-height:1.95;color:var(--muted);max-width:760px;margin-top:19px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow)}.card:hover{transform:translateY(-3px);box-shadow:0 22px 45px #12231a12}.card h3{font-size:19px;font-weight:700;line-height:1.5}.card p{color:var(--muted);font-size:14px;margin-top:13px}.badge{display:inline-flex;align-items:center;gap:7px;border:1px solid currentColor;border-radius:100px;padding:4px 11px;font-size:11px;line-height:1.5}.button{display:inline-flex;justify-content:center;align-items:center;gap:18px;padding:13px 21px;border-radius:10px;background:var(--accent);color:var(--ink);font-size:14px;font-weight:700;border:1px solid transparent}.button:hover{background:#d9eab9;box-shadow:0 7px 22px #00000012}.button.secondary{background:transparent;border-color:var(--line)}.button.secondary:hover{background:#e7ecdf}.hero{padding:34px 0 64px}.hero-topline{display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted);margin-bottom:27px}.hero-stack{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:18px;align-items:start}.hero-main{background:var(--dark);color:#fff;border-radius:26px;padding:46px;min-height:510px;position:relative;overflow:hidden}.hero-main:after{content:"c7";position:absolute;right:-12px;bottom:-115px;font-size:330px;font-weight:900;line-height:1;color:#c8df9a08;letter-spacing:-30px;pointer-events:none}.hero-main>*{position:relative;z-index:1}.hero h1{font-size:clamp(36px,4.4vw,64px);font-weight:750;line-height:1.18;letter-spacing:-2px;margin:24px 0}.hero-description{max-width:610px;font-size:15px;line-height:2;color:#b9c4bc}.hero-side{padding-top:32px;display:grid;gap:18px}.hero-side .card:first-child{background:var(--accent);border-color:var(--accent)}.hero-side .card:last-child{margin-left:-40px;position:relative;z-index:2;background:#e6eade}.mini-number{font-size:42px;line-height:1.2;font-weight:700;letter-spacing:-2px;margin:24px 0 8px}.feature-index{display:block;font-size:12px;color:var(--muted);margin-bottom:30px}.tier{position:relative;overflow:hidden}.tier:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:#aebd9c}.tier:nth-child(2):before{background:#82a85f}.tier:nth-child(3):before{background:#304c39}.comparison-row{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:24px;padding:23px 0;border-bottom:1px solid var(--line);font-size:14px}.comparison-row:last-child{border:0}.comparison-head{font-size:12px;font-weight:700;color:var(--muted)}.dark-band{background:#1c2b22;color:#eef2e9;border:0}.dark-band .intro{color:#b1beb1}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#b6cc94}.editorial-list{list-style:none;margin:26px 0 0;padding:0}.editorial-list li{padding:25px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:45px 1fr auto;gap:20px}.editorial-list h3{font-size:18px;font-weight:650}.editorial-list p{font-size:14px;color:var(--muted);margin-top:7px}.quote{border-left:3px solid #a9bf87;padding:8px 0 8px 23px}.quote h3{font-size:21px;font-weight:650}.quote p{font-size:14px;color:var(--muted);margin-top:12px}.assurance{display:flex;gap:15px;align-items:flex-start}.icon-box{width:40px;height:40px;flex-shrink:0;display:grid;place-items:center;background:#e4ebdb;border-radius:12px;color:#4c6740;font-size:19px}.assurance h3{font-size:15px;font-weight:700}.assurance p{font-size:13px;color:var(--muted);margin-top:5px}.article{padding:27px 0;border-bottom:1px solid var(--line)}.article:last-child{border:0}.article summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;font-weight:650;font-size:18px}.article summary::-webkit-details-marker{display:none}.article summary:after{content:"＋";color:#6b805b}.article[open] summary:after{content:"－"}.article p{font-size:14px;color:var(--muted);margin-top:17px;max-width:820px}.metric{border-left:1px solid var(--line);padding-left:23px}.metric strong{font-size:42px;font-weight:650;line-height:1.3;letter-spacing:-2px}.metric span{display:block;font-size:13px;color:var(--muted);margin-top:10px}.cta{background:#dce8c8;border-radius:25px;padding:40px;display:flex;justify-content:space-between;gap:30px;align-items:center}.footer{padding:35px 0;background:#ebeee5;font-size:12px;color:var(--muted)}.footer a:hover{color:var(--ink)}.footer-brand{font-size:18px;font-weight:750;color:var(--ink)}
@media(min-width:1500px){.hero-main{padding:56px}}
@media(max-width:1024px){.sidebar{width:180px;padding:32px 18px}.page-shell{margin-left:180px}.container{width:calc(100% - 48px)}.hero-stack{grid-template-columns:minmax(0,1fr) 205px}.hero-main{padding:32px}.hero-side .card{padding:21px}.hero-side .card:last-child{margin-left:-22px}.section{padding:52px 0}.hero h1{font-size:42px}}
@media(max-width:768px){.sidebar{position:sticky;top:0;width:100%;padding:17px 23px;flex-direction:row;align-items:center;justify-content:space-between;gap:18px}.logo-symbol{font-size:32px}.logo-name{font-size:10px}.navigation{margin:0;flex-direction:row;gap:6px}.nav-link{padding:9px 12px;font-size:12px}.nav-link span:last-child{display:none}.sidebar-note{display:none}.page-shell{margin:0}.hero{padding-top:24px}.hero-stack{grid-template-columns:1fr}.hero-main{min-height:auto;padding:36px}.hero-side{padding-top:0;grid-template-columns:1fr 1fr;gap:15px}.hero-side .card:last-child{margin-left:0;margin-top:20px}.hero-side .card:first-child{margin-bottom:20px}.mini-number{margin-top:18px;font-size:34px}.comparison-row{gap:15px;grid-template-columns:.85fr 1fr 1fr;font-size:13px}.cta{padding:28px;align-items:flex-start;flex-direction:column}.section{padding:44px 0}}
@media(max-width:520px){.container{width:calc(100% - 36px)}.sidebar{padding:15px 18px}.logo-name{display:none}.nav-link{padding:9px 10px}.hero-topline{font-size:10px}.hero h1{font-size:37px}.hero-main{padding:28px 24px;border-radius:20px}.hero-description{font-size:14px}.hero-side{gap:10px}.hero-side .card{padding:19px 16px;border-radius:17px}.hero-side h3{font-size:16px}.hero-side p{font-size:12px}.intro{font-size:14px}.card{padding:23px}.comparison-row{gap:12px;font-size:12px}.editorial-list li{grid-template-columns:28px 1fr;gap:12px}.editorial-list .badge{display:none}.metric{padding-left:14px}.metric strong{font-size:32px}.footer .container{gap:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}a,button,.card{transition:none}}

/* roulang page: category1 */
:root{--bg:#f3f4ee;--ink:#17231d;--muted:#70796f;--line:#dce1d5;--accent:#c8df9a;--dark:#111815;--radius:22px;--shadow:0 18px 45px #12231a0c}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img,svg{max-width:100%;display:block}a,button,.card{transition:background .2s,color .2s,transform .2s,box-shadow .2s}a:active,button:active{transform:translateY(1px)}:focus-visible{outline:3px solid #779a48;outline-offset:5px}
.sidebar{position:fixed;inset:0 auto 0 0;width:224px;padding:42px 24px;background:var(--dark);color:#fff;display:flex;flex-direction:column;z-index:30;border-right:1px solid #29352e}.logo{display:flex;align-items:center;gap:11px}.logo-symbol{font-size:38px;font-weight:900;letter-spacing:-4px;color:var(--accent);line-height:1}.logo-name{font-size:12px;line-height:1.5;letter-spacing:1px}.navigation{display:flex;flex-direction:column;gap:9px;margin-top:65px}.nav-link{padding:13px 16px;border-radius:10px;font-size:14px;display:flex;align-items:center;justify-content:space-between;color:#aab5ad}.nav-link:hover{background:#263329;color:#fff}.nav-link.active{background:var(--accent);color:var(--dark);font-weight:700}.sidebar-note{margin-top:auto;color:#aab5ad;font-size:12px;padding:24px 8px 0;border-top:1px solid #354037}.status-dot{display:inline-block;width:6px;height:6px;background:var(--accent);border-radius:50%;margin-right:5px}.page-shell{margin-left:224px}.container{width:min(1160px,calc(100% - 88px));margin:auto}.section{padding:68px 0;border-bottom:1px solid var(--line)}.section-heading{font-size:clamp(25px,2.4vw,36px);line-height:1.4;font-weight:750;letter-spacing:-1px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:2px;color:var(--muted);margin-bottom:12px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow)}.card:hover{transform:translateY(-3px);box-shadow:0 22px 45px #12231a12}.card h3{font-size:19px;font-weight:700;line-height:1.5}.card p{color:var(--muted);font-size:14px;margin-top:13px}.badge{display:inline-flex;align-items:center;gap:7px;border:1px solid currentColor;border-radius:100px;padding:4px 11px;font-size:11px;line-height:1.5}.button{display:inline-flex;justify-content:center;align-items:center;gap:18px;padding:13px 21px;border-radius:10px;background:var(--accent);color:var(--ink);font-size:14px;font-weight:700;border:1px solid transparent}.button:hover{background:#d9eab9;box-shadow:0 7px 22px #00000012}.button.secondary{background:transparent;border-color:var(--line)}.button.secondary:hover{background:#e7ecdf}.hero{padding:34px 0 60px}.hero-topline{display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted);margin-bottom:27px}.hero-panel{background:var(--dark);color:#fff;border-radius:26px;overflow:hidden;display:grid;grid-template-columns:1.5fr 1fr}.hero-copy{padding:48px}.hero h1{font-size:clamp(34px,3.8vw,56px);font-weight:750;line-height:1.25;letter-spacing:-2px;margin:23px 0}.hero-description{font-size:15px;line-height:2;color:#b9c4bc}.qualification{padding:36px;background:#202c24;display:flex;flex-direction:column;justify-content:center;border-left:1px solid #3a463c}.qualification h2{font-size:20px;font-weight:700}.qualification ul{margin:24px 0;padding:0;list-style:none}.qualification li{padding:12px 0;border-bottom:1px solid #3a463c;font-size:14px;color:#c8d0c9}.qualification li span{color:var(--accent);margin-right:12px}.muted{color:var(--muted)}.split{display:grid;grid-template-columns:.8fr 1.4fr;gap:54px}.feature-index{display:block;font-size:12px;color:var(--muted);margin-bottom:30px}.step{border-top:2px solid var(--line);padding-top:22px}.step-number{font-size:36px;line-height:1;font-weight:750;color:#8a9d77}.step h3{font-size:17px;font-weight:700;margin:20px 0 10px}.step p{font-size:14px;color:var(--muted)}.comparison-row{display:grid;grid-template-columns:.7fr 1fr 1.1fr;gap:24px;padding:23px 0;border-bottom:1px solid var(--line);font-size:14px}.comparison-row:last-child{border:0}.comparison-head{color:var(--muted);font-size:12px}.dark-section{background:var(--dark);color:#fff}.dark-section .eyebrow{color:var(--accent)}.pledge{border-left:3px solid var(--accent);padding-left:26px;font-size:clamp(23px,2.5vw,34px);line-height:1.65}.pledge-note{color:#aab5ad;font-size:14px;margin-top:24px}.editorial-list{list-style:none;margin:26px 0 0;padding:0}.editorial-list li{padding:25px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:45px 1fr auto;gap:20px}.editorial-list h3{font-size:18px;font-weight:650}.editorial-list p{font-size:14px;color:var(--muted);margin-top:7px}.metric{font-size:38px;line-height:1.2;font-weight:750}.form-panel{padding:32px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}label{font-size:14px;font-weight:650;display:block;margin-bottom:8px}input,select,textarea{width:100%;border:1px solid #ccd3c5;border-radius:10px;padding:12px;background:#fafbf7;color:var(--ink)}textarea{resize:vertical;min-height:126px}input:hover,select:hover,textarea:hover{border-color:#8c9d7d}.form-note{font-size:12px;color:var(--muted);margin-top:16px}.footer{padding:35px 0;background:#ebeee5;font-size:12px;color:var(--muted)}.footer a:hover{color:var(--ink)}.footer-brand{font-size:18px;font-weight:750;color:var(--ink)}
@media(min-width:1500px){.hero-copy{padding:56px}}
@media(max-width:1024px){.sidebar{width:180px;padding:32px 18px}.page-shell{margin-left:180px}.container{width:calc(100% - 48px)}.section{padding:52px 0}.hero-copy{padding:32px}.qualification{padding:26px}.hero-panel{grid-template-columns:1.2fr 1fr}.split{gap:28px;grid-template-columns:1fr 1.4fr}}
@media(max-width:768px){html{scroll-padding-top:100px}.sidebar{position:sticky;top:0;width:100%;padding:17px 23px;flex-direction:row;align-items:center;justify-content:space-between;gap:18px}.logo-symbol{font-size:32px}.logo-name{font-size:10px}.navigation{margin:0;flex-direction:row;gap:6px}.nav-link{padding:9px 12px;font-size:12px}.nav-link span:last-child{display:none}.sidebar-note{display:none}.page-shell{margin:0}.hero-panel,.split{grid-template-columns:1fr}.qualification{border-left:0;border-top:1px solid #3a463c}.qualification ul{margin:12px 0}.hero{padding-top:24px}.hero h1{font-size:40px}.split{gap:28px}.comparison-row{gap:15px;font-size:13px}}
@media(max-width:520px){.section{padding:44px 0}.container{width:calc(100% - 36px)}.logo-name{display:none}.nav-link{padding:9px 10px}.hero-topline{font-size:11px}.hero h1{font-size:34px}.hero-copy{padding:28px 24px}.hero-description{font-size:14px}.card{padding:23px}.comparison-row{gap:12px;font-size:12px}.editorial-list li{grid-template-columns:28px 1fr;gap:12px}.editorial-list .badge{display:none}.form-panel{padding:23px}.footer .container{gap:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}a,button,.card{transition:none}}