/* roulang page: index */
:root{
  --ink:#102b24;
  --ink-2:#17382f;
  --forest:#1f4d3c;
  --green:#5f8c50;
  --green-deep:#3f6d43;
  --lime:#c8e65a;
  --paper:#f6f4ee;
  --paper-2:#eeefe7;
  --mist:#dfe8d9;
  --line:#cbd6c9;
  --text:#1d2924;
  --muted:#66736c;
  --orange:#b76b3b;
  --white:#fffefa;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 12px 30px rgba(18,43,35,.08);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.8;font-size:16px}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.section{padding:100px 0;position:relative;overflow:hidden}
.section-soft{background:var(--paper-2)}
.section-dark{background:var(--ink);color:var(--white)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green-deep);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(200,230,90,.2)}
.section-dark .eyebrow{color:var(--lime)}
.heading-row{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:42px}
.heading-row h2,.section-heading h2{font-size:clamp(29px,3vw,38px);line-height:1.3;letter-spacing:-.04em;margin:10px 0 0;color:var(--ink)}
.section-dark h2{color:var(--white)}
.heading-row p,.section-heading p{max-width:560px;margin:0;color:var(--muted);font-size:16px}
.section-dark .heading-row p{color:#b9c8bc}
.btn{min-height:48px;padding:0 20px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;font-weight:800;transition:.22s ease;white-space:nowrap}
.btn:hover{transform:translateY(-3px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-deep)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#071b15}
.btn-outline{border-color:currentColor;color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff}
.badge,.tag{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 10px;background:var(--mist);color:var(--ink-2);font-size:12px;font-weight:800;line-height:1.2}
.badge.live:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
.topbar{background:var(--ink);color:#cad7cc;font-size:12px}
.topbar-inner{min-height:35px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:18px;white-space:nowrap}
.status-dot{width:7px;height:7px;background:var(--lime);border-radius:50%;display:inline-block;margin-right:6px}
.header{position:sticky;top:0;z-index:100;background:rgba(246,244,238,.96);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:.22s}
.header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(19,46,37,.06)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;letter-spacing:-.05em;color:var(--ink);white-space:nowrap}
.logo-mark{width:31px;height:31px;background:var(--forest);border-radius:9px;position:relative;overflow:hidden}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;border:1px solid var(--lime);border-radius:50%}
.logo-mark:before{width:23px;height:23px;top:4px;left:4px}
.logo-mark:after{width:18px;height:1px;border:0;background:var(--lime);top:15px;left:7px}
.navlinks{display:flex;align-items:center;justify-content:center;gap:20px;flex:1}
.navlinks a{font-size:14px;font-weight:750;color:#3e5047;position:relative;padding:24px 0}
.navlinks a:after{content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;background:var(--green);transform:scaleX(0);transition:.2s}
.navlinks a:hover,.navlinks a.active{color:var(--ink)}
.navlinks a:hover:after,.navlinks a.active:after{transform:scaleX(1)}
.nav-cta{font-size:14px}
.menu-btn{display:none;width:46px;height:46px;border:1px solid var(--line);background:var(--white);border-radius:10px;color:var(--ink);font-size:22px}
.mobile-panel{display:none}
.hero{min-height:710px;background-image:linear-gradient(90deg,rgba(8,30,23,.89),rgba(13,47,35,.72)),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;position:relative;color:#fff;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(200,230,90,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(200,230,90,.07) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(to bottom,transparent,black 20%,black)}
.hero-inner{position:relative;padding:94px 0 58px;text-align:center}
.hero-copy{max-width:860px;margin:0 auto}
.hero .eyebrow{color:var(--lime)}
.hero h1{font-size:clamp(42px,5vw,58px);line-height:1.18;letter-spacing:-.06em;margin:16px 0 20px}
.hero-copy>p{max-width:810px;margin:0 auto;color:#e1e9e0;font-size:16px;line-height:1.9}
.hero-search{max-width:760px;margin:30px auto 17px;padding:7px;background:#fff;border-radius:14px;display:flex;box-shadow:0 12px 30px rgba(0,0,0,.2)}
.hero-search input{min-width:0;flex:1;border:0;outline:0;color:var(--text);padding:10px 14px;background:transparent}
.hero-search input::placeholder{color:#829087}
.hero-actions{display:flex;justify-content:center;gap:12px;margin-top:22px}
.hero-actions .btn-outline{color:#fff;border-color:#96ae9d}
.hero-actions .btn-outline:hover{background:#fff;color:var(--ink)}
.hot-chips{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;color:#e2ece3;font-size:12px}
.hot-chips a{padding:4px 10px;border:1px solid rgba(255,255,255,.25);border-radius:99px;transition:.2s}
.hot-chips a:hover{background:rgba(200,230,90,.18);border-color:var(--lime)}
.hero-board{max-width:1000px;margin:48px auto 0;display:grid;grid-template-columns:1.1fr 1.4fr .9fr;gap:1px;background:rgba(200,230,90,.25);border:1px solid rgba(200,230,90,.4);border-radius:14px;overflow:hidden;text-align:left}
.board-cell{background:#153a2d;padding:20px}
.board-label{font-size:12px;color:#bcd0be;font-weight:800;letter-spacing:.04em}
.score{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:12px 0 8px;font-variant-numeric:tabular-nums}
.score strong{font-size:29px;letter-spacing:-.08em}.score span{font-size:12px;color:var(--lime)}
.tiny{font-size:12px;color:#aec2b2}
.spark{height:53px;margin-top:8px;width:100%}
.timeline{display:flex;gap:14px;margin-top:13px;align-items:flex-end;height:44px}
.timeline i{width:4px;border-radius:5px;background:var(--lime);display:block}.timeline i:nth-child(1){height:18px}.timeline i:nth-child(2){height:35px}.timeline i:nth-child(3){height:25px}.timeline i:nth-child(4){height:42px}.timeline i:nth-child(5){height:30px}.timeline i:nth-child(6){height:38px}.timeline i:nth-child(7){height:22px}
.slide-controls{display:flex;align-items:center;justify-content:center;gap:15px;margin-top:18px;font-variant-numeric:tabular-nums}
.progress{width:98px;height:3px;background:rgba(255,255,255,.3);overflow:hidden}.progress b{display:block;width:34%;height:100%;background:var(--lime)}
.arrow-control{border:0;background:transparent;color:#fff;font-size:21px;line-height:1;padding:4px}
.matrix{display:grid;grid-template-columns:1.05fr 1fr 1fr;grid-template-rows:repeat(2,164px);gap:14px}
.intro-col{padding-right:35px}.intro-col h2{font-size:34px;line-height:1.32;margin:12px 0}.intro-col p{color:var(--muted);margin:0 0 23px}
.matrix-card{border:1px solid var(--line);padding:19px;border-radius:var(--radius);background:var(--white);position:relative;overflow:hidden;transition:.22s}
.matrix-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.matrix-card.featured{grid-column:span 2;background:var(--ink);color:#fff}.matrix-card.featured p{color:#c2d2c5}
.matrix-card .num{font-size:12px;color:var(--green);font-weight:900}.featured .num{color:var(--lime)}
.matrix-card h3{font-size:18px;margin:7px 0 4px;line-height:1.35}.matrix-card p{font-size:13px;line-height:1.55;color:var(--muted);margin:0;max-width:240px}
.mini-chart{position:absolute;right:17px;bottom:14px;width:68px;height:25px;border-bottom:1px solid var(--line);background:linear-gradient(135deg,transparent 35%,var(--green) 36%,var(--green) 40%,transparent 41%) 0 10px/26px 18px repeat-x;opacity:.65}
.compare-grid{display:grid;grid-template-columns:1fr 80px 1fr;gap:20px;align-items:stretch}
.compare-panel{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:var(--white)}
.compare-panel.ai{background:#e1e9dc;border-color:#aebfaa}
.compare-panel h3{margin:0 0 18px;font-size:22px}
.flow-item{display:grid;grid-template-columns:38px 1fr;gap:13px;padding:14px 0;border-bottom:1px solid var(--line)}
.flow-item:last-child{border:0}.flow-index{width:28px;height:28px;border-radius:50%;background:#d9dfd7;display:grid;place-items:center;font-size:12px;font-weight:900}.ai .flow-index{background:var(--green);color:#fff}
.flow-item strong{display:block;font-size:15px}.flow-item p{margin:2px 0 0;font-size:13px;color:var(--muted);line-height:1.6}
.compare-line{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--green);font-weight:900;font-size:12px}
.compare-line:before,.compare-line:after{content:"";width:1px;flex:1;background:var(--line)}
.milestone-rail{display:flex;gap:0;min-width:max-content;padding:25px 12px 12px}
.rail-wrap{overflow:auto;border-top:2px solid #91ad84;padding-top:1px}
.milestone{width:210px;padding:26px 20px 0;position:relative}.milestone:before{content:"";position:absolute;top:-9px;left:20px;width:15px;height:15px;background:var(--ink);border:3px solid var(--lime);border-radius:50%}.milestone time{font-size:12px;color:var(--green-deep);font-weight:900}.milestone h3{font-size:17px;margin:8px 0}.milestone p{font-size:13px;color:var(--muted);line-height:1.65;margin:0}
.advantages{display:grid;grid-template-columns:1fr 1fr;gap:16px}.adv-card{border:1px solid var(--line);background:var(--white);border-radius:var(--radius);padding:24px;position:relative;min-height:166px;transition:.2s}.adv-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.adv-card.large{min-height:206px;background:#e4ebdf}.adv-icon{width:38px;height:38px;border-radius:10px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-weight:900}.adv-card h3{font-size:19px;margin:14px 0 5px}.adv-card p{font-size:13px;color:var(--muted);margin:0;max-width:390px}.adv-meta{position:absolute;right:19px;bottom:18px;font-size:12px;color:var(--green-deep);font-weight:900}
.products{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.product-main,.product-mini{position:relative;overflow:hidden;border-radius:var(--radius);min-height:400px;color:#fff;background:var(--ink)}.product-mini{min-height:191px}.product-stack{display:grid;gap:18px}.product-main img,.product-mini img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.62;transition:.4s}.product-main:hover img,.product-mini:hover img{transform:scale(1.05)}.product-main:after,.product-mini:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,29,22,.95),rgba(8,29,22,.05))}.product-content{position:absolute;z-index:2;bottom:0;padding:27px}.product-content h3{font-size:24px;margin:0 0 7px}.product-content p{font-size:13px;line-height:1.6;margin:0 0 13px;color:#e2ebe2}.product-mini .product-content{padding:19px}.product-mini h3{font-size:18px}.product-tags{display:flex;gap:7px;flex-wrap:wrap}.product-tags span{font-size:11px;padding:3px 8px;border:1px solid rgba(255,255,255,.4);border-radius:99px}
.case-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}.case-number{font-size:clamp(76px,10vw,140px);font-weight:900;line-height:.8;color:var(--lime);letter-spacing:-.1em}.case-copy h2{font-size:37px;line-height:1.28;margin:18px 0}.case-copy p{color:#b8c9bb}.case-fields{display:grid;gap:10px;margin-top:25px}.case-fields div{border-left:2px solid var(--lime);padding-left:14px;font-size:14px}.case-fields b{display:block;color:var(--lime);font-size:12px}.case-visual{border:1px solid #3d6052;border-radius:var(--radius);padding:25px;background:#133328;min-height:320px;background-image:radial-gradient(circle at center,transparent 0 72px,rgba(200,230,90,.1) 73px 74px,transparent 75px),linear-gradient(90deg,rgba(200,230,90,.09) 1px,transparent 1px),linear-gradient(rgba(200,230,90,.09) 1px,transparent 1px);background-size:auto,48px 48px,48px 48px}.event-list{display:grid;gap:11px;margin-top:25px}.event{display:grid;grid-template-columns:48px 1fr auto;gap:12px;align-items:center;padding:10px;background:#1b4234;font-size:13px}.event time{color:var(--lime);font-weight:900}.event i{width:9px;height:9px;border-radius:50%;background:var(--lime)}
.story-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:25px}.persona{border-radius:var(--radius);background:var(--forest);color:#fff;padding:30px;min-height:300px;position:relative;overflow:hidden}.persona:after{content:"DATA";position:absolute;right:-15px;bottom:-55px;font-size:100px;font-weight:900;color:rgba(255,255,255,.06)}.persona .tag{background:rgba(200,230,90,.18);color:var(--lime)}.persona h3{font-size:26px;margin:20px 0 7px}.persona p{color:#c9d8cc;font-size:14px}.path{border:1px solid var(--line);background:var(--white);border-radius:var(--radius);padding:12px 28px}.path-step{display:grid;grid-template-columns:52px 1fr;gap:17px;padding:19px 0;border-bottom:1px solid var(--line)}.path-step:last-child{border:0}.path-step strong{width:38px;height:38px;border-radius:50%;background:var(--mist);display:grid;place-items:center;color:var(--green-deep)}.path-step h3{font-size:17px;margin:0}.path-step p{font-size:13px;color:var(--muted);margin:3px 0 0}
.stats{padding:46px 0;background:var(--mist)}.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}.stat{padding-left:18px;border-left:2px solid var(--green)}.stat b{display:block;font-size:33px;line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.05em}.stat span{font-size:13px;color:var(--muted)}
.reviews{display:grid;grid-template-columns:1fr 1fr;gap:18px}.review{background:var(--white);border:1px solid var(--line);padding:28px;border-radius:var(--radius);position:relative}.quote{font-family:Georgia,serif;font-size:50px;line-height:.7;color:var(--green)}.review p{font-size:16px;margin:12px 0 21px}.review-foot{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted)}.stars{color:var(--green-deep);font-weight:900}
.news-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:34px}.news-feature{border-radius:var(--radius);overflow:hidden;background:var(--white);border:1px solid var(--line)}.news-feature img{width:100%;height:220px;object-fit:cover}.news-feature-content{padding:23px}.news-feature h3{font-size:22px;line-height:1.4;margin:10px 0}.news-feature p{font-size:14px;color:var(--muted);margin:0}.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:100px 1fr;gap:17px;padding:18px 0;border-bottom:1px solid var(--line)}.news-item time{font-size:12px;color:var(--green-deep);font-weight:900}.news-item h3{margin:0;font-size:17px;line-height:1.4}.news-item p{font-size:13px;color:var(--muted);line-height:1.55;margin:4px 0 0}
.assurance{display:grid;grid-template-columns:1.2fr .8fr;gap:28px}.assurance-list{border:1px solid var(--line);border-radius:var(--radius);background:var(--white);padding:12px 25px}.assurance-item{display:flex;align-items:flex-start;gap:14px;padding:17px 0;border-bottom:1px solid var(--line)}.assurance-item:last-child{border:0}.check{width:23px;height:23px;border:1px solid #9eaf9d;border-radius:50%;display:grid;place-items:center;color:var(--green-deep);font-weight:900;flex:none}.assurance-item h3{font-size:16px;margin:0}.assurance-item p{margin:2px 0 0;color:var(--muted);font-size:13px}.status-panel{border-radius:var(--radius);background:var(--ink);padding:27px;color:#fff}.status-panel h3{margin:0 0 20px;font-size:20px}.status-row{display:flex;justify-content:space-between;gap:15px;padding:13px 0;border-bottom:1px solid #375a4d;font-size:13px}.status-row:last-child{border:0}.ok{color:var(--lime);font-weight:800}
.quick-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px}.question-cloud{display:flex;align-content:flex-start;gap:10px;flex-wrap:wrap}.question-btn{border:1px solid var(--line);background:var(--white);color:var(--ink);padding:10px 13px;border-radius:999px;font-size:13px;transition:.2s}.question-btn:hover,.question-btn.active{background:var(--forest);border-color:var(--forest);color:#fff}.quick-answer{border-left:3px solid var(--green);padding:12px 0 12px 23px}.quick-answer h3{font-size:22px;margin:0 0 9px}.quick-answer p{color:var(--muted);margin:0}
.faq-wrap{max-width:900px;margin:0 auto}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-q{width:100%;border:0;background:transparent;text-align:left;padding:20px 0;display:flex;justify-content:space-between;gap:20px;color:var(--ink);font-weight:850;font-size:17px}.faq-q span:last-child{font-size:25px;font-weight:400;transition:.25s}.faq-item.open .faq-q span:last-child{transform:rotate(45deg);color:var(--green)}.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}.faq-a p{margin:0;padding:0 44px 21px 0;color:var(--muted);font-size:14px}.faq-item.open .faq-a{max-height:180px}
.contact-panel{background:var(--ink);color:#fff;border-radius:22px;padding:46px;display:grid;grid-template-columns:.85fr 1.15fr;gap:50px;position:relative;overflow:hidden}.contact-panel:after{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(200,230,90,.15);border-radius:50%;left:-160px;bottom:-250px}.contact-copy{position:relative;z-index:1}.contact-copy h2{font-size:35px;line-height:1.3;margin:12px 0}.contact-copy p{color:#c0d0c4;font-size:14px}.contact-steps{padding:0;margin:24px 0 0;list-style:none}.contact-steps li{padding:8px 0;color:#d9e5dc;font-size:13px}.contact-steps b{display:inline-grid;place-items:center;background:var(--lime);color:var(--ink);width:20px;height:20px;border-radius:50%;font-size:11px;margin-right:8px}
.form-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:13px}.field{display:grid;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:800;color:#e5eee7}.required{color:var(--lime)}.field input,.field select,.field textarea{width:100%;border:1px solid #547363;background:#14372b;color:#fff;border-radius:9px;padding:12px 13px;outline:0;transition:.2s}.field input,.field select{height:49px}.field textarea{min-height:116px;resize:vertical}.field input::placeholder,.field textarea::placeholder{color:#9fb5a5}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,230,90,.14)}.field.error input,.field.error select,.field.error textarea{border-color:#e59b64}.error-text{display:none;color:#f2bc91;font-size:12px}.field.error .error-text{display:block}.privacy{font-size:12px;color:#b9cbbd;display:flex;gap:8px;align-items:flex-start;grid-column:1/-1}.privacy input{accent-color:var(--lime);margin-top:5px}.form-msg{grid-column:1/-1;font-size:13px;color:var(--lime);min-height:18px}
.footer{background:#0b251d;color:#c4d1c7;padding:66px 0 22px}.footer-grid{display:grid;grid-template-columns:1.35fr .75fr .9fr 1.1fr;gap:35px;padding-bottom:42px}.footer .logo{color:#fff}.footer h3{font-size:14px;color:var(--lime);margin:6px 0 15px}.footer p,.footer li,.footer a{font-size:13px;color:#b6c7b9}.footer p{margin:10px 0}.footer ul{margin:0;padding:0;list-style:none}.footer li{margin:8px 0}.footer a:hover{color:var(--lime);text-decoration:underline}.footer-bottom{padding-top:18px;border-top:1px solid #315247;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;color:#94aa9a}
@media(max-width:1100px){.navlinks{gap:13px}.navlinks a{font-size:13px}.matrix{grid-template-columns:1fr 1fr}.intro-col{grid-column:1/-1;padding-right:0}.matrix-card.featured{grid-column:span 1}.footer-grid{grid-template-columns:1fr 1fr}.stats-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:850px){.navlinks,.nav-cta{display:none}.menu-btn{display:grid;place-items:center}.mobile-panel{position:fixed;z-index:101;right:0;top:0;width:min(360px,92vw);height:100dvh;padding:28px;background:var(--paper);transform:translateX(105%);transition:.25s;box-shadow:-12px 0 30px rgba(0,0,0,.12);display:block}.mobile-panel.open{transform:translateX(0)}.mobile-close{float:right;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;font-size:23px}.mobile-links{clear:both;padding-top:35px;display:grid}.mobile-links a{padding:14px 0;border-bottom:1px solid var(--line);font-weight:800}.mobile-links .btn{margin-top:20px}.hero{min-height:auto}.hero-inner{padding-top:68px}.hero-board{grid-template-columns:1fr 1fr}.hero-board .board-cell:last-child{grid-column:1/-1}.compare-grid{grid-template-columns:1fr}.compare-line{height:40px;flex-direction:row}.compare-line:before,.compare-line:after{height:1px;width:auto}.case-grid,.story-grid,.assurance,.quick-wrap,.contact-panel{grid-template-columns:1fr;gap:28px}.news-grid{grid-template-columns:1fr}.contact-panel{padding:34px}.products{grid-template-columns:1fr}.product-main{min-height:350px}.product-stack{grid-template-columns:1fr 1fr}.product-mini{min-height:190px}}
@media(max-width:620px){body{font-size:15px}.container{width:min(100% - 32px,var(--container))}.section{padding:62px 0}.topbar-right{display:none}.topbar-inner{justify-content:center}.navbar{height:67px}.logo{font-size:17px}.hero-inner{padding:58px 0 34px}.hero h1{font-size:39px}.hero-copy>p{font-size:14px}.hero-search{margin-top:24px}.hero-search .btn{padding:0 14px;font-size:13px}.hero-board{margin-top:34px;grid-template-columns:1fr}.hero-board .board-cell:last-child{grid-column:auto}.heading-row{display:block;margin-bottom:28px}.heading-row p{margin-top:14px}.matrix{grid-template-columns:1fr;grid-template-rows:auto}.matrix-card,.matrix-card.featured{grid-column:auto;min-height:145px}.compare-panel{padding:22px}.advantages,.reviews{grid-template-columns:1fr}.adv-card.large{min-height:172px}.product-stack{grid-template-columns:1fr}.product-mini{min-height:205px}.case-copy h2,.contact-copy h2{font-size:30px}.stats-grid{grid-template-columns:1fr 1fr;gap:25px}.stat:last-child{grid-column:1/-1}.news-item{grid-template-columns:75px 1fr;gap:10px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.privacy,.form-msg{grid-column:auto}.footer{padding-top:48px}.footer-grid{grid-template-columns:1fr;gap:20px}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}.faq-q{font-size:15px}.faq-a p{padding-right:12px}.hero-actions{flex-direction:column;align-items:stretch;padding:0 22px}.hero-actions .btn{width:100%}}
@media(max-width:375px){.hero h1{font-size:34px}.hero-search{padding:5px}.hero-search input{padding:9px 7px;font-size:12px}.section{padding:52px 0}.contact-panel{padding:25px 18px}.stats-grid{gap:18px}.stat b{font-size:28px}}

/* roulang page: category1 */
:root{--ink:#102b24;--ink-2:#17382f;--forest:#1f4d3c;--green:#5f8c50;--green-deep:#3f6d43;--lime:#c8e65a;--paper:#f6f4ee;--paper-2:#eeefe7;--mist:#dfe8d9;--line:#cbd6c9;--text:#1d2924;--muted:#66736c;--orange:#b76b3b;--white:#fffefa;--radius:18px;--radius-sm:12px;--shadow:0 12px 30px rgba(18,43,35,.08);--container:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.8;font-size:16px}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}.section{padding:88px 0;position:relative;overflow:hidden}.section-soft{background:var(--paper-2)}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green-deep);font-size:13px;font-weight:800;letter-spacing:.08em}.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(200,230,90,.2)}.btn{min-height:48px;padding:0 20px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;font-weight:800;transition:.22s ease;white-space:nowrap}.btn:hover{transform:translateY(-3px)}.btn:active{transform:translateY(0)}.btn:focus-visible,.filter-btn:focus-visible,.faq-trigger:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(95,140,80,.45);outline-offset:3px}.btn-primary{background:var(--green);color:#fff}.btn-primary:hover{background:var(--green-deep)}.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}.btn-outline:hover{background:var(--ink);color:#fff}.tag,.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 10px;background:var(--mist);color:var(--ink-2);font-size:12px;font-weight:800;line-height:1.2}.badge.live:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}.topbar{background:var(--ink);color:#cad7cc;font-size:12px}.topbar-inner{min-height:35px;display:flex;align-items:center;justify-content:space-between;gap:18px}.topbar-left,.topbar-right{display:flex;align-items:center;gap:18px;white-space:nowrap}.header{position:sticky;top:0;z-index:100;background:rgba(246,244,238,.97);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:.22s}.header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(19,46,37,.06)}.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;letter-spacing:-.05em;color:var(--ink);white-space:nowrap}.logo-mark{width:31px;height:31px;background:var(--forest);border-radius:9px;position:relative;overflow:hidden}.logo-mark:before,.logo-mark:after{content:"";position:absolute;border:1px solid var(--lime);border-radius:50%}.logo-mark:before{width:23px;height:23px;top:4px;left:4px}.logo-mark:after{width:18px;height:1px;border:0;background:var(--lime);top:15px;left:7px}.navlinks{display:flex;align-items:center;justify-content:center;gap:20px;flex:1}.navlinks a{font-size:14px;font-weight:750;color:#3e5047;position:relative;padding:24px 0}.navlinks a:after{content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;background:var(--green);transform:scaleX(0);transition:.2s}.navlinks a:hover,.navlinks a.active{color:var(--ink)}.navlinks a:hover:after,.navlinks a.active:after{transform:scaleX(1)}.nav-cta{font-size:14px}.menu-btn{display:none;width:46px;height:46px;border:1px solid var(--line);background:var(--white);border-radius:10px;color:var(--ink);font-size:22px}.mobile-panel{position:fixed;z-index:120;right:0;top:0;width:min(360px,88vw);height:100vh;padding:28px;background:var(--paper);box-shadow:-15px 0 40px rgba(16,43,36,.18);transform:translateX(105%);transition:.28s}.mobile-panel.open{transform:translateX(0)}.mobile-close{margin-left:auto;display:block;width:46px;height:46px;border-radius:10px;border:1px solid var(--line);background:var(--white);font-size:22px}.mobile-panel nav{display:grid;gap:4px;margin:28px 0}.mobile-panel nav a{padding:13px 10px;border-bottom:1px solid var(--line);font-weight:800}.mobile-panel nav a.active{color:var(--green-deep)}.page-head{padding:66px 0 58px;background:linear-gradient(90deg,rgba(10,39,30,.9),rgba(19,56,45,.73)),url('/assets/images/backpic/back-3.webp') center/cover;color:#fff;position:relative}.page-head:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(200,230,90,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(200,230,90,.06) 1px,transparent 1px);background-size:48px 48px}.page-head .container{position:relative;z-index:1}.crumb{display:flex;gap:9px;align-items:center;font-size:13px;color:#d4e1d6}.crumb span{color:var(--lime)}.page-head h1{max-width:800px;margin:18px 0 12px;font-size:clamp(38px,5vw,54px);line-height:1.22;letter-spacing:-.06em}.page-head p{max-width:730px;margin:0;color:#dde7df;font-size:16px}.head-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}.head-tags .tag{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(200,230,90,.35)}.heading-row{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:34px}.heading-row h2{font-size:clamp(29px,3vw,38px);line-height:1.3;letter-spacing:-.04em;margin:10px 0 0;color:var(--ink)}.heading-row p{max-width:520px;margin:0;color:var(--muted)}.summary-grid{display:grid;grid-template-columns:1.25fr repeat(3,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white)}.summary-item{padding:25px 23px;border-right:1px solid var(--line)}.summary-item:last-child{border:0}.summary-item strong{display:block;font-size:30px;line-height:1.2;font-variant-numeric:tabular-nums;color:var(--forest)}.summary-item span{display:block;margin-top:7px;color:var(--muted);font-size:13px}.summary-main{background:var(--mist)}.summary-main strong{font-size:18px}.content-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(350px,.95fr);gap:36px;align-items:start}.feature-article{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.feature-image{height:285px;overflow:hidden}.feature-image img{width:100%;height:100%;object-fit:cover;transition:.5s}.feature-article:hover img{transform:scale(1.045)}.article-body{padding:27px}.article-meta{display:flex;align-items:center;justify-content:space-between;gap:15px;color:var(--muted);font-size:13px}.article-body h3{font-size:25px;line-height:1.42;margin:15px 0 12px;letter-spacing:-.03em}.article-body p{margin:0;color:var(--muted)}.article-link{display:inline-flex;align-items:center;gap:8px;margin-top:18px;color:var(--green-deep);font-weight:800}.article-link span{transition:.2s}.article-link:hover span{transform:translateX(5px)}.timeline-list{border-top:1px solid var(--line)}.timeline-item{display:grid;grid-template-columns:92px 1fr;gap:18px;padding:21px 0;border-bottom:1px solid var(--line)}.timeline-date{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}.timeline-item h3{font-size:18px;line-height:1.45;margin:5px 0 7px}.timeline-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}.load-more{margin-top:29px;display:flex;justify-content:center}.filter-shell{padding:28px;border:1px solid var(--line);background:var(--white);border-radius:var(--radius);display:grid;grid-template-columns:1fr 220px;gap:24px;align-items:center}.filter-label{font-weight:900;margin-bottom:12px;color:var(--ink)}.filter-tags{display:flex;flex-wrap:wrap;gap:9px}.filter-btn{border:1px solid var(--line);background:var(--paper);color:var(--ink-2);min-height:38px;padding:0 13px;border-radius:999px;font-size:13px;font-weight:800;transition:.2s}.filter-btn:hover,.filter-btn.active{background:var(--forest);color:#fff;border-color:var(--forest)}.select-wrap select{width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink);outline:0}.method-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center}.method-copy h2{font-size:clamp(29px,3vw,37px);line-height:1.35;margin:10px 0 16px;letter-spacing:-.04em}.method-copy p{color:var(--muted);margin:0}.method-steps{display:grid;gap:12px;margin-top:24px}.method-step{display:grid;grid-template-columns:38px 1fr;gap:13px;align-items:start}.method-num{width:34px;height:34px;border-radius:50%;background:var(--mist);color:var(--forest);display:grid;place-items:center;font-weight:900;font-size:13px}.method-step strong{display:block}.method-step span{display:block;color:var(--muted);font-size:14px}.chart-panel{background:var(--ink);border-radius:var(--radius);padding:28px;color:#fff;overflow:hidden;position:relative}.chart-panel:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(200,230,90,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(200,230,90,.06) 1px,transparent 1px);background-size:43px 43px}.chart-panel>*{position:relative}.chart-head{display:flex;justify-content:space-between;align-items:start;margin-bottom:24px}.chart-head strong{font-size:19px}.chart-head span{font-size:12px;color:var(--lime)}.chart-bars{height:200px;display:flex;align-items:end;gap:13px;border-bottom:1px solid rgba(255,255,255,.35);padding:0 8px}.chart-bar{flex:1;background:linear-gradient(to top,var(--green),var(--lime));min-height:25px;border-radius:6px 6px 0 0;position:relative}.chart-bar:after{content:attr(data-label);position:absolute;bottom:-27px;left:50%;transform:translateX(-50%);font-size:11px;color:#b9c8bc}.chart-note{margin:33px 0 0;color:#c6d4c8;font-size:13px}.recommend-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.recommend-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;transition:.22s}.recommend-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.recommend-card img{width:100%;height:145px;object-fit:cover}.recommend-card div{padding:16px}.recommend-card h3{font-size:16px;line-height:1.5;margin:9px 0 0}.recommend-card small{font-size:12px;color:var(--green-deep);font-weight:800}.subscribe{background:var(--ink);color:#fff;border-radius:var(--radius);padding:46px 50px;display:grid;grid-template-columns:1fr minmax(340px,.8fr);gap:48px;position:relative;overflow:hidden}.subscribe:after{content:"";position:absolute;width:360px;height:360px;right:-140px;top:-180px;border:1px solid rgba(200,230,90,.22);border-radius:50%;box-shadow:0 0 0 45px rgba(200,230,90,.05),0 0 0 90px rgba(200,230,90,.04)}.subscribe>*{position:relative;z-index:1}.subscribe h2{font-size:33px;line-height:1.32;margin:12px 0}.subscribe p{margin:0;color:#c7d4c9}.subscribe-form{display:flex;gap:10px;align-items:center}.subscribe-form input{height:50px;min-width:0;flex:1;border:1px solid #627b6b;border-radius:10px;background:#17382f;color:#fff;padding:0 14px;outline:0}.subscribe-form input::placeholder{color:#b4c2b6}.form-status{display:block;margin-top:9px;font-size:13px;color:#c8e65a}.footer{background:var(--ink);color:#d6e0d7;padding:72px 0 18px}.footer-grid{display:grid;grid-template-columns:1.25fr .8fr .8fr 1.1fr;gap:38px}.footer .logo{color:#fff}.footer p{color:#b9c8bc;font-size:14px;line-height:1.75}.footer h3{font-size:15px;color:#fff;margin:0 0 13px}.footer ul{margin:0;padding:0;list-style:none}.footer li{margin:8px 0}.footer a{transition:.2s}.footer li a,.footer p a{color:#c5d4c7}.footer a:hover{color:var(--lime)}.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:46px;padding-top:18px;display:flex;gap:18px;justify-content:space-between;flex-wrap:wrap;font-size:12px;color:#9daf9f}
@media(max-width:1100px){.navlinks{gap:13px}.navlinks a{font-size:13px}.recommend-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.navlinks,.nav-cta{display:none}.menu-btn{display:block}.navbar{height:68px}.summary-grid{grid-template-columns:repeat(2,1fr)}.summary-item:nth-child(2){border-right:0}.summary-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.content-layout,.method-grid,.subscribe{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(100% - 32px,var(--container))}.section{padding:62px 0}.topbar-right{display:none}.page-head{padding:50px 0 45px}.page-head h1{font-size:37px}.heading-row{display:block;margin-bottom:28px}.heading-row p{margin-top:14px}.filter-shell{grid-template-columns:1fr;padding:21px}.filter-tags{flex-wrap:nowrap;overflow-x:auto;padding-bottom:5px}.filter-btn{flex:0 0 auto}.feature-image{height:230px}.recommend-grid{grid-template-columns:1fr 1fr}.subscribe{padding:34px 25px;gap:25px}.subscribe-form{display:grid;grid-template-columns:1fr}.subscribe-form .btn{width:100%}}
@media(max-width:520px){body{font-size:15px}.topbar-left{font-size:11px}.topbar-left span:last-child{display:none}.page-head h1{font-size:33px}.summary-grid{grid-template-columns:1fr}.summary-item,.summary-item:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}.summary-item:last-child{border-bottom:0}.content-layout{gap:24px}.timeline-item{grid-template-columns:1fr;gap:4px}.article-body{padding:21px}.article-body h3{font-size:21px}.recommend-grid{grid-template-columns:1fr}.recommend-card img{height:175px}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-bottom{display:grid;gap:6px}.subscribe h2{font-size:28px}}

/* roulang page: category2 */
:root{
 --ink:#102b24;--ink-2:#17382f;--forest:#1f4d3c;--green:#5f8c50;--green-deep:#3f6d43;
 --lime:#c8e65a;--paper:#f6f4ee;--paper-2:#eeefe7;--mist:#dfe8d9;--line:#cbd6c9;
 --text:#1d2924;--muted:#66736c;--orange:#b76b3b;--white:#fffefa;--radius:18px;
 --radius-sm:12px;--shadow:0 12px 30px rgba(18,43,35,.08);--container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.8;font-size:16px}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.section{padding:92px 0;position:relative;overflow:hidden}
.section-soft{background:var(--paper-2)}
.section-dark{background:var(--ink);color:var(--white)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green-deep);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(200,230,90,.2)}
.heading-row{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:38px}
.heading-row h2{font-size:clamp(29px,3vw,38px);line-height:1.3;letter-spacing:-.04em;margin:10px 0 0;color:var(--ink)}
.heading-row p{max-width:520px;margin:0;color:var(--muted);font-size:16px}
.btn{min-height:48px;padding:0 20px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;font-weight:800;transition:.22s ease;white-space:nowrap}
.btn:hover{transform:translateY(-3px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible,.filter-btn:focus-visible,.menu-btn:focus-visible,.article-toggle:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-deep)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#071b15}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff}
.badge,.tag{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 10px;background:var(--mist);color:var(--ink-2);font-size:12px;font-weight:800;line-height:1.2}
.badge.live:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
.topbar{background:var(--ink);color:#cad7cc;font-size:12px}
.topbar-inner{min-height:35px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:18px;white-space:nowrap}
.header{position:sticky;top:0;z-index:100;background:rgba(246,244,238,.97);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:.22s}
.header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(19,46,37,.06)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;letter-spacing:-.05em;color:var(--ink);white-space:nowrap}
.logo-mark{width:31px;height:31px;background:var(--forest);border-radius:9px;position:relative;overflow:hidden;flex:0 0 auto}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;border:1px solid var(--lime);border-radius:50%}
.logo-mark:before{width:23px;height:23px;top:4px;left:4px}
.logo-mark:after{width:18px;height:1px;border:0;background:var(--lime);top:15px;left:7px}
.navlinks{display:flex;align-items:center;justify-content:center;gap:20px;flex:1}
.navlinks a{font-size:14px;font-weight:750;color:#3e5047;position:relative;padding:24px 0}
.navlinks a:after{content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;background:var(--green);transform:scaleX(0);transition:.2s}
.navlinks a:hover,.navlinks a.active{color:var(--ink)}
.navlinks a:hover:after,.navlinks a.active:after{transform:scaleX(1)}
.nav-cta{font-size:14px}
.menu-btn{display:none;width:46px;height:46px;border:1px solid var(--line);background:var(--white);border-radius:10px;color:var(--ink);font-size:22px}
.mobile-panel{display:none}
.category-head{padding:64px 0 72px;background:linear-gradient(90deg,rgba(11,39,29,.93),rgba(19,58,42,.72)),url('/assets/images/backpic/back-4.webp') center/cover;color:var(--white);position:relative}
.category-head:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(200,230,90,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(200,230,90,.08) 1px,transparent 1px);background-size:56px 56px;pointer-events:none}
.category-inner{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:9px;color:#bed0c1;font-size:13px;margin-bottom:22px}
.breadcrumb span{color:var(--lime)}
.category-head h1{font-size:clamp(38px,5vw,54px);line-height:1.2;letter-spacing:-.055em;max-width:760px;margin:0 0 16px}
.category-head p{max-width:760px;margin:0;color:#deeadf;font-size:16px}
.category-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:25px}
.category-tags .tag{background:rgba(223,232,217,.15);border:1px solid rgba(200,230,90,.32);color:#f3f8ed}
.summary-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.summary-lead{padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}
.summary-lead h2{font-size:25px;line-height:1.4;margin:10px 0 10px}
.summary-lead p{margin:0;color:var(--muted)}
.summary-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.metric{padding:22px;border-radius:var(--radius-sm);background:var(--mist);border:1px solid #d0dacd}
.metric strong{display:block;font-size:29px;line-height:1.1;font-variant-numeric:tabular-nums;color:var(--ink)}
.metric span{color:var(--muted);font-size:13px}
.content-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:start}
.featured-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.featured-card img{width:100%;height:295px;object-fit:cover}
.featured-body{padding:26px}
.meta{display:flex;gap:10px;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--muted)}
.featured-body h3{font-size:27px;line-height:1.38;margin:15px 0 12px;letter-spacing:-.03em}
.featured-body p{margin:0;color:var(--muted)}
.reading{display:flex;justify-content:space-between;align-items:center;margin-top:21px;font-size:13px;color:var(--green-deep);font-weight:800}
.timeline-list{border-top:1px solid var(--line)}
.article-row{padding:20px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:112px 1fr;gap:17px;transition:.2s}
.article-row:hover{padding-left:8px}
.article-row img{width:112px;height:82px;object-fit:cover;border-radius:10px}
.article-row h3{font-size:18px;line-height:1.45;margin:6px 0;color:var(--ink)}
.article-row p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
.load-more{text-align:center;margin-top:32px}
.filter-panel{display:flex;align-items:center;gap:22px;padding:20px 24px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius)}
.filter-label{font-weight:900;white-space:nowrap}
.filter-list{display:flex;flex-wrap:wrap;gap:9px}
.filter-btn{border:1px solid var(--line);background:var(--paper);color:var(--ink-2);border-radius:999px;min-height:38px;padding:0 14px;font-size:13px;font-weight:800;transition:.2s}
.filter-btn:hover,.filter-btn.active{background:var(--forest);border-color:var(--forest);color:#fff}
.method-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;align-items:center}
.method-copy h2{font-size:clamp(29px,3vw,37px);line-height:1.35;margin:11px 0 18px;letter-spacing:-.04em}
.method-copy p{color:var(--muted);margin:0}
.step-list{display:grid;gap:13px;margin-top:24px}
.step{display:grid;grid-template-columns:42px 1fr;gap:13px;align-items:start}
.step-num{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:var(--lime);font-weight:900}
.step h3{margin:2px 0 3px;font-size:17px}
.step p{font-size:14px;margin:0}
.signal-board{padding:26px;background:var(--ink);border-radius:var(--radius);color:#fff;position:relative;overflow:hidden}
.signal-board:before{content:"";position:absolute;width:320px;height:320px;border:1px solid rgba(200,230,90,.16);border-radius:50%;right:-100px;top:-115px}
.signal-board h3{font-size:20px;margin:0 0 22px;position:relative}
.signal-line{display:grid;grid-template-columns:88px 1fr 48px;align-items:center;gap:12px;margin:15px 0;position:relative;font-size:13px}
.bar{height:9px;background:#315342;border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--lime);border-radius:inherit}
.signal-line b{font-variant-numeric:tabular-nums;color:var(--lime);text-align:right}
.chart-note{color:#b8c8bb;font-size:12px;margin-top:25px;position:relative}
.recommend-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:18px}
.recommend-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.22s}
.recommend-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.recommend-card img{width:100%;height:154px;object-fit:cover}
.recommend-card>div{padding:18px}
.recommend-card h3{font-size:18px;line-height:1.45;margin:10px 0 0}
.subscribe-box{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;padding:42px;background:var(--ink);border-radius:var(--radius);color:#fff;position:relative;overflow:hidden}
.subscribe-box:after{content:"";position:absolute;right:-60px;bottom:-90px;width:300px;height:300px;border:1px solid rgba(200,230,90,.19);border-radius:50%}
.subscribe-copy,.subscribe-form{position:relative;z-index:1}
.subscribe-copy h2{font-size:31px;line-height:1.35;margin:10px 0}
.subscribe-copy p{color:#c3d0c4;margin:0}
.subscribe-form{display:flex;gap:10px}
.subscribe-form input{height:50px;min-width:0;flex:1;border:1px solid #698173;background:#f8faf4;color:var(--text);border-radius:10px;padding:0 14px;outline:0}
.subscribe-form input:focus{box-shadow:0 0 0 3px rgba(200,230,90,.45);border-color:var(--lime)}
.form-message{grid-column:1/-1;margin:0;color:var(--lime);font-size:13px;display:none}
.footer{background:var(--ink);color:#cad7cc;padding:68px 0 22px}
.footer .logo{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.1fr;gap:42px;padding-bottom:46px}
.footer h3{font-size:15px;color:#fff;margin:3px 0 15px}
.footer p{font-size:13px;line-height:1.8;margin:0 0 13px}
.footer ul{padding:0;margin:0;list-style:none}
.footer li{margin:8px 0;font-size:13px}
.footer a{transition:.2s}
.footer a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid rgba(220,235,219,.17);padding-top:20px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;color:#9eb0a1}
@media(max-width:1100px){
 .navlinks{gap:13px}.navlinks a{font-size:13px}.nav-cta{padding:0 14px}
}
@media(max-width:900px){
 .navlinks,.nav-cta{display:none}.menu-btn{display:block}.navbar{height:70px}
 .mobile-panel{display:block;position:fixed;z-index:150;inset:0 0 0 auto;width:min(360px,90vw);background:var(--paper);padding:22px;transform:translateX(105%);transition:transform .28s ease;box-shadow:-12px 0 35px rgba(0,0,0,.17)}
 .mobile-panel.open{transform:translateX(0)}.mobile-panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
 .mobile-close{border:0;background:var(--mist);width:44px;height:44px;border-radius:10px;font-size:21px;color:var(--ink)}
 .mobile-links{display:grid;border-top:1px solid var(--line)}.mobile-links a{padding:14px 3px;border-bottom:1px solid var(--line);font-weight:800}.mobile-links a.active{color:var(--green-deep)}
 .mobile-panel .btn{width:100%;margin-top:22px}.summary-grid,.content-layout,.method-grid,.subscribe-box{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:700px){
 .container{width:min(var(--container),calc(100% - 32px))}.section{padding:62px 0}.topbar-right{display:none}
 .category-head{padding:48px 0 54px}.heading-row{display:block;margin-bottom:28px}.heading-row p{margin-top:14px}
 .summary-metrics{grid-template-columns:repeat(2,1fr)}.filter-panel{display:block;padding:18px}.filter-list{margin-top:13px;flex-wrap:nowrap;overflow:auto;padding-bottom:3px}
 .filter-btn{white-space:nowrap}.recommend-grid{grid-template-columns:1fr 1fr}.recommend-card:first-child{grid-column:1/-1}
 .featured-card img{height:230px}.subscribe-form{display:grid}.subscribe-form .btn{width:100%}
}
@media(max-width:520px){
 body{font-size:15px}.topbar-inner{justify-content:center}.topbar-left span:last-child{display:none}
 .category-head h1{font-size:35px}.category-head p{font-size:15px}.summary-lead{padding:23px}.metric{padding:17px}.metric strong{font-size:24px}
 .article-row{grid-template-columns:88px 1fr;gap:12px}.article-row img{width:88px;height:72px}.article-row h3{font-size:16px}.article-row p{display:none}
 .recommend-grid{grid-template-columns:1fr}.recommend-card:first-child{grid-column:auto}.recommend-card img{height:180px}
 .footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{display:grid;gap:5px}.signal-line{grid-template-columns:75px 1fr 42px}
}

/* roulang page: category4 */
:root{--ink:#102b24;--ink-2:#17382f;--forest:#1f4d3c;--green:#5f8c50;--green-deep:#3f6d43;--lime:#c8e65a;--paper:#f6f4ee;--paper-2:#eeefe7;--mist:#dfe8d9;--line:#cbd6c9;--text:#1d2924;--muted:#66736c;--orange:#b76b3b;--white:#fffefa;--radius:18px;--radius-sm:12px;--shadow:0 12px 30px rgba(18,43,35,.08);--container:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.8;font-size:16px}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}.section{padding:92px 0;position:relative;overflow:hidden}.section-soft{background:var(--paper-2)}.section-dark{background:var(--ink);color:var(--white)}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green-deep);font-size:13px;font-weight:800;letter-spacing:.08em}.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(200,230,90,.2)}.heading-row{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:38px}.heading-row h2{font-size:clamp(29px,3vw,38px);line-height:1.3;letter-spacing:-.04em;margin:10px 0 0;color:var(--ink)}.heading-row p{max-width:550px;margin:0;color:var(--muted)}.btn{min-height:48px;padding:0 20px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;font-weight:800;transition:.22s ease;white-space:nowrap}.btn:hover{transform:translateY(-3px)}.btn:active{transform:translateY(0)}.btn:focus-visible,.filter-btn:focus-visible,.menu-btn:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--lime);outline-offset:3px}.btn-primary{background:var(--green);color:#fff}.btn-primary:hover{background:var(--green-deep)}.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}.btn-outline:hover{background:var(--ink);color:#fff}.tag,.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 10px;background:var(--mist);color:var(--ink-2);font-size:12px;font-weight:800;line-height:1.2}.topbar{background:var(--ink);color:#cad7cc;font-size:12px}.topbar-inner{min-height:35px;display:flex;align-items:center;justify-content:space-between;gap:18px}.topbar-left,.topbar-right{display:flex;align-items:center;gap:18px;white-space:nowrap}.header{position:sticky;top:0;z-index:100;background:rgba(246,244,238,.96);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:.22s}.header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(19,46,37,.06)}.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;letter-spacing:-.05em;color:var(--ink);white-space:nowrap}.logo-mark{width:31px;height:31px;background:var(--forest);border-radius:9px;position:relative;overflow:hidden}.logo-mark:before,.logo-mark:after{content:"";position:absolute;border:1px solid var(--lime);border-radius:50%}.logo-mark:before{width:23px;height:23px;top:4px;left:4px}.logo-mark:after{width:18px;height:1px;border:0;background:var(--lime);top:15px;left:7px}.navlinks{display:flex;align-items:center;justify-content:center;gap:20px;flex:1}.navlinks a{font-size:14px;font-weight:750;color:#3e5047;position:relative;padding:24px 0}.navlinks a:after{content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;background:var(--green);transform:scaleX(0);transition:.2s}.navlinks a:hover,.navlinks a.active{color:var(--ink)}.navlinks a:hover:after,.navlinks a.active:after{transform:scaleX(1)}.nav-cta{font-size:14px}.menu-btn{display:none;width:46px;height:46px;border:1px solid var(--line);background:var(--white);border-radius:10px;color:var(--ink);font-size:22px}.mobile-panel{display:none}
.category-head{padding:76px 0 66px;background:linear-gradient(90deg,rgba(16,43,36,.94),rgba(16,43,36,.7)),url('/assets/images/backpic/back-4.webp') center/cover;color:#fff;position:relative}.category-head:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(200,230,90,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(200,230,90,.08) 1px,transparent 1px);background-size:56px 56px;pointer-events:none}.category-head .container{position:relative;z-index:1}.crumb{font-size:13px;color:#d3e1d5;margin-bottom:20px}.crumb span{margin:0 8px;color:var(--lime)}.category-head h1{max-width:780px;font-size:clamp(38px,5vw,54px);line-height:1.2;letter-spacing:-.06em;margin:0 0 16px}.category-head p{max-width:720px;margin:0;color:#dce7dc;font-size:16px}.head-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}.head-tags .tag{background:rgba(200,230,90,.16);color:#eff8c9;border:1px solid rgba(200,230,90,.36)}
.summary-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white)}.summary-intro,.summary-item{padding:23px 25px;border-right:1px solid var(--line)}.summary-item:last-child{border-right:0}.summary-intro strong{display:block;font-size:18px}.summary-intro p{margin:4px 0 0;color:var(--muted);font-size:14px}.summary-item b{display:block;font-size:25px;line-height:1.2;font-variant-numeric:tabular-nums;color:var(--forest)}.summary-item span{font-size:13px;color:var(--muted)}
.feature-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:28px}.feature-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.feature-card img{width:100%;height:290px;object-fit:cover}.feature-content{padding:27px}.feature-content h3{font-size:25px;line-height:1.38;margin:14px 0 10px}.feature-content p{color:var(--muted);margin:0 0 18px}.data-line{display:flex;gap:18px;border-top:1px solid var(--line);padding-top:16px;font-size:13px;color:var(--muted)}.data-line strong{color:var(--forest);font-variant-numeric:tabular-nums}.timeline-list{border-top:1px solid var(--line)}.article-row{display:grid;grid-template-columns:94px 1fr auto;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}.article-row img{width:94px;height:68px;object-fit:cover;border-radius:10px}.article-row h3{font-size:17px;line-height:1.45;margin:5px 0}.article-row p{font-size:13px;color:var(--muted);margin:0;line-height:1.65}.article-row time{font-size:12px;color:var(--muted);white-space:nowrap}.more-line{margin-top:28px;text-align:center}.more-line button{border:0;background:none;color:var(--green-deep);font-weight:800;border-bottom:1px solid currentColor;padding:7px 3px}.filters{display:flex;align-items:center;gap:11px;flex-wrap:wrap;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}.filters label{font-weight:800;font-size:14px;margin-right:4px}.filter-btn{min-height:38px;padding:0 13px;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--ink-2);font-size:13px;font-weight:700;transition:.2s}.filter-btn:hover,.filter-btn.active{background:var(--forest);border-color:var(--forest);color:#fff}.filter-select{margin-left:auto;border:1px solid var(--line);background:var(--paper);min-height:40px;border-radius:9px;padding:0 11px;color:var(--ink)}
.method-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px}.method-note{background:var(--ink);border-radius:var(--radius);padding:31px;color:#fff}.method-note h3{font-size:24px;line-height:1.35;margin:12px 0}.method-note p{color:#c6d4c8;margin:0}.metric-list{display:grid;gap:12px}.metric{padding:17px 19px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);display:grid;grid-template-columns:42px 1fr 115px;gap:14px;align-items:center}.metric-num{width:34px;height:34px;border-radius:50%;background:var(--mist);display:grid;place-items:center;font-weight:900;color:var(--forest)}.metric h4{margin:0;font-size:16px}.metric p{margin:2px 0 0;font-size:13px;color:var(--muted)}.mini-bars{height:30px;display:flex;align-items:end;gap:4px;justify-content:end}.mini-bars i{display:block;width:12px;background:var(--green);border-radius:3px 3px 0 0}.mini-bars i:nth-child(1){height:36%}.mini-bars i:nth-child(2){height:62%}.mini-bars i:nth-child(3){height:45%;background:var(--lime)}.mini-bars i:nth-child(4){height:82%}.recommend-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:18px}.recommend{padding:23px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);transition:.22s}.recommend:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#aebfaa}.recommend h3{font-size:19px;line-height:1.45;margin:14px 0 8px}.recommend p{font-size:14px;color:var(--muted);margin:0}.recommend .arrow{display:inline-block;margin-top:18px;color:var(--green-deep);font-weight:900}.subscribe{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center;padding:38px;background:var(--ink);color:#fff;border-radius:var(--radius);position:relative;overflow:hidden}.subscribe:after{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(200,230,90,.25);border-radius:50%;right:-80px;top:-105px}.subscribe>div{position:relative;z-index:1}.subscribe h2{font-size:31px;line-height:1.35;margin:10px 0}.subscribe p{color:#c5d3c7;margin:0}.subscribe-form{display:flex;gap:10px}.subscribe input{height:50px;min-width:0;flex:1;border:1px solid #607b6b;background:#f7f6f0;color:var(--text);border-radius:10px;padding:0 14px}.subscribe small{display:block;color:#b7c9ba;margin-top:9px}.footer{background:var(--ink);color:#d8e1d8;padding:68px 0 22px}.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.15fr;gap:36px;padding-bottom:44px}.footer .logo{color:#fff;margin-bottom:16px}.footer p{font-size:13px;color:#b7c7ba;margin:0 0 12px;line-height:1.75}.footer h3{font-size:15px;color:#fff;margin:0 0 14px}.footer ul{list-style:none;padding:0;margin:0}.footer li{margin:8px 0;font-size:13px;color:#b7c7ba}.footer a:hover{color:var(--lime)}.footer-bottom{border-top:1px solid rgba(220,235,220,.18);padding-top:18px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#96aa9a;font-size:12px}
@media(max-width:992px){.navlinks{gap:12px}.navlinks a{font-size:13px}.nav-cta{display:none}.feature-layout,.method-grid,.subscribe{grid-template-columns:1fr}.summary-grid{grid-template-columns:1fr 1fr}.summary-intro{grid-column:span 2}.summary-item:nth-child(3){border-right:0}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:span 3}.recommend-grid{grid-template-columns:1fr 1fr}.recommend:first-child{grid-column:span 2}}
@media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.topbar-right{display:none}.topbar-inner{justify-content:center}.navbar{height:68px}.navlinks{display:none}.menu-btn{display:block}.mobile-panel{display:block;position:fixed;z-index:99;top:0;right:-100%;width:min(340px,90vw);height:100vh;background:var(--white);padding:90px 28px 30px;box-shadow:-18px 0 40px rgba(0,0,0,.18);transition:right .28s}.mobile-panel.open{right:0}.mobile-panel a{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-weight:800}.mobile-panel .btn{margin-top:20px}.section{padding:64px 0}.heading-row{display:block;margin-bottom:28px}.heading-row p{margin-top:14px}.category-head{padding:58px 0}.summary-grid{grid-template-columns:1fr 1fr}.summary-intro{grid-column:span 2}.summary-item{padding:18px;border-top:1px solid var(--line)}.summary-item:nth-child(3){border-right:0}.feature-card img{height:230px}.article-row{grid-template-columns:78px 1fr}.article-row img{width:78px;height:60px}.article-row time{grid-column:2}.filters{flex-wrap:nowrap;overflow:auto}.filters label{position:sticky;left:0;background:var(--white);white-space:nowrap}.filter-select{display:none}.metric{grid-template-columns:38px 1fr}.mini-bars{display:none}.recommend-grid{grid-template-columns:1fr}.recommend:first-child{grid-column:auto}.subscribe-form{flex-direction:column}.subscribe-form .btn{width:100%}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:span 2}}
@media(max-width:520px){.category-head h1{font-size:35px}.summary-grid{display:block}.summary-intro,.summary-item{border-right:0;border-bottom:1px solid var(--line)}.summary-item:last-child{border-bottom:0}.article-row{gap:12px}.article-row h3{font-size:15px}.article-row p{display:none}.feature-content{padding:21px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}}

/* roulang page: category3 */
:root{
 --ink:#102b24;--ink-2:#17382f;--forest:#1f4d3c;--green:#5f8c50;--green-deep:#3f6d43;--lime:#c8e65a;
 --paper:#f6f4ee;--paper-2:#eeefe7;--mist:#dfe8d9;--line:#cbd6c9;--text:#1d2924;--muted:#66736c;
 --orange:#b76b3b;--white:#fffefa;--radius:18px;--radius-sm:12px;--shadow:0 12px 30px rgba(18,43,35,.08);--container:1200px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.8;font-size:16px}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.section{padding:96px 0;position:relative;overflow:hidden}
.section-soft{background:var(--paper-2)}
.section-dark{background:var(--ink);color:var(--white)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green-deep);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(200,230,90,.2)}
.section-dark .eyebrow{color:var(--lime)}
.heading-row{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:40px}
.heading-row h2,.section-heading h2{font-size:clamp(29px,3vw,38px);line-height:1.3;letter-spacing:-.04em;margin:10px 0 0;color:var(--ink)}
.section-dark h2{color:var(--white)}
.heading-row p,.section-heading p{max-width:570px;margin:0;color:var(--muted);font-size:16px}
.section-dark .heading-row p{color:#b9c8bc}
.btn{min-height:48px;padding:0 20px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;font-weight:800;transition:.22s ease;white-space:nowrap}
.btn:hover{transform:translateY(-3px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible,.navlinks a:focus-visible,.filter-btn:focus-visible,.article-row:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-deep)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#071b15}
.btn-outline{border-color:currentColor;color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff}
.badge,.tag{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 10px;background:var(--mist);color:var(--ink-2);font-size:12px;font-weight:800;line-height:1.2}
.badge.live:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
.topbar{background:var(--ink);color:#cad7cc;font-size:12px}
.topbar-inner{min-height:35px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:18px;white-space:nowrap}
.header{position:sticky;top:0;z-index:100;background:rgba(246,244,238,.96);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:.22s}
.header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(19,46,37,.06)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;letter-spacing:-.05em;color:var(--ink);white-space:nowrap}
.logo-mark{width:31px;height:31px;background:var(--forest);border-radius:9px;position:relative;overflow:hidden}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;border:1px solid var(--lime);border-radius:50%}
.logo-mark:before{width:23px;height:23px;top:4px;left:4px}
.logo-mark:after{width:18px;height:1px;border:0;background:var(--lime);top:15px;left:7px}
.navlinks{display:flex;align-items:center;justify-content:center;gap:20px;flex:1}
.navlinks a{font-size:14px;font-weight:750;color:#3e5047;position:relative;padding:24px 0}
.navlinks a:after{content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;background:var(--green);transform:scaleX(0);transition:.2s}
.navlinks a:hover,.navlinks a.active{color:var(--ink)}
.navlinks a:hover:after,.navlinks a.active:after{transform:scaleX(1)}
.nav-cta{font-size:14px}
.menu-btn{display:none;width:46px;height:46px;border:1px solid var(--line);background:var(--white);border-radius:10px;color:var(--ink);font-size:22px}
.mobile-panel{display:none}

.category-head{padding:72px 0 68px;background:linear-gradient(90deg,rgba(12,39,30,.88),rgba(18,56,41,.63)),url('/assets/images/backpic/back-3.webp') center/cover;color:var(--white);position:relative}
.category-head:after{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(200,230,90,.1) 1px,transparent 1px),linear-gradient(rgba(200,230,90,.08) 1px,transparent 1px);background-size:48px 48px;pointer-events:none}
.category-head .container{position:relative;z-index:1}
.breadcrumb{font-size:13px;color:#c9d8cc;margin-bottom:20px}
.breadcrumb span{padding:0 8px;color:var(--lime)}
.category-head h1{font-size:clamp(38px,5vw,54px);line-height:1.2;letter-spacing:-.055em;margin:0 0 16px;max-width:780px}
.category-head p{max-width:730px;margin:0;color:#d9e5dc;font-size:16px}
.head-meta{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.head-meta .tag{background:rgba(255,255,255,.13);border:1px solid rgba(200,230,90,.36);color:#f5f9ef}

.summary-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
.summary-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow)}
.summary-card h2{font-size:24px;line-height:1.4;margin:0 0 10px}
.summary-card p{margin:0;color:var(--muted)}
.summary-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat-cell{background:var(--mist);padding:22px 17px}
.stat-cell strong{display:block;font-size:28px;line-height:1.1;font-variant-numeric:tabular-nums;color:var(--forest)}
.stat-cell span{display:block;margin-top:8px;color:var(--muted);font-size:13px;line-height:1.45}

.content-layout{display:grid;grid-template-columns:1.06fr .94fr;gap:34px}
.feature-card{min-height:100%;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white);box-shadow:var(--shadow)}
.feature-card img{width:100%;height:280px;object-fit:cover}
.feature-copy{padding:25px}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:9px;color:var(--muted);font-size:13px;margin-bottom:14px}
.article-meta time{font-variant-numeric:tabular-nums}
.feature-copy h3{font-size:27px;line-height:1.4;margin:0 0 12px;letter-spacing:-.03em}
.feature-copy p{margin:0;color:var(--muted)}
.data-strip{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.article-list{border-top:1px solid var(--line)}
.article-row{display:grid;grid-template-columns:80px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--line);transition:.2s}
.article-row:hover{padding-left:8px;background:linear-gradient(90deg,rgba(223,232,217,.58),transparent)}
.article-date{color:var(--green-deep);font-weight:900;font-size:13px;line-height:1.4;padding-top:3px;font-variant-numeric:tabular-nums}
.article-date span{display:block;color:var(--muted);font-weight:500;font-size:12px;margin-top:3px}
.article-row h3{font-size:18px;line-height:1.45;margin:0 0 6px}
.article-row p{font-size:14px;line-height:1.65;color:var(--muted);margin:0}
.more-line{margin-top:28px;display:flex;justify-content:flex-end}
.more-line .btn span{font-size:18px;transition:.2s}
.more-line .btn:hover span{transform:translateX(4px)}

.filter-wrap{display:grid;grid-template-columns:260px 1fr;gap:30px;align-items:start}
.filter-intro h2{font-size:31px;line-height:1.35;margin:10px 0}
.filter-intro p{margin:0;color:var(--muted)}
.filter-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.filter-btn{border:1px solid var(--line);background:var(--paper);color:var(--ink-2);padding:10px 14px;border-radius:999px;font-size:14px;font-weight:800;transition:.2s;min-height:42px}
.filter-btn:hover,.filter-btn.active{background:var(--forest);border-color:var(--forest);color:#fff}
.filter-note{margin:16px 0 0;color:var(--muted);font-size:13px}
.filter-result{margin-top:20px;padding-top:17px;border-top:1px solid var(--line);font-size:14px;color:var(--green-deep);font-weight:800}

.method-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:center}
.method-copy h2{font-size:clamp(29px,3vw,37px);line-height:1.3;letter-spacing:-.04em;margin:10px 0 16px}
.method-copy p{margin:0;color:var(--muted)}
.method-steps{display:grid;gap:12px}
.method-step{display:grid;grid-template-columns:46px 1fr auto;gap:15px;align-items:center;padding:16px 18px;border-bottom:1px solid var(--line);background:var(--white)}
.method-step:first-child{border-radius:var(--radius) var(--radius) 0 0}
.method-step:last-child{border-radius:0 0 var(--radius) var(--radius)}
.step-num{width:34px;height:34px;display:grid;place-items:center;background:var(--ink);color:var(--lime);border-radius:50%;font-weight:900;font-variant-numeric:tabular-nums}
.method-step h3{margin:0;font-size:17px;line-height:1.35}
.method-step p{margin:3px 0 0;color:var(--muted);font-size:13px;line-height:1.55}
.mini-chart{display:flex;align-items:flex-end;gap:3px;height:32px}
.mini-chart i{width:6px;background:var(--green);border-radius:4px 4px 0 0}
.mini-chart i:nth-child(1){height:11px}.mini-chart i:nth-child(2){height:20px}.mini-chart i:nth-child(3){height:15px}.mini-chart i:nth-child(4){height:28px}.mini-chart i:nth-child(5){height:24px}

.recommend-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:18px}
.recommend-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:21px;min-height:225px;display:flex;flex-direction:column;justify-content:space-between;transition:.22s}
.recommend-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#a8bba8}
.recommend-card:first-child{background:var(--forest);color:#fff}
.recommend-card:first-child p{color:#cfdbcf}
.recommend-card h3{font-size:21px;line-height:1.45;margin:15px 0 9px}
.recommend-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.recommend-card .arrow{font-size:22px;font-weight:900;margin-top:18px;color:var(--green)}
.recommend-card:first-child .arrow{color:var(--lime)}

.subscribe-box{background:var(--ink);color:#fff;border-radius:var(--radius);padding:42px;display:grid;grid-template-columns:1fr .9fr;gap:40px;position:relative;overflow:hidden}
.subscribe-box:after{content:"";position:absolute;width:330px;height:330px;border:1px solid rgba(200,230,90,.23);border-radius:50%;right:-90px;top:-145px}
.subscribe-copy,.subscribe-form{position:relative;z-index:1}
.subscribe-copy h2{font-size:32px;line-height:1.35;margin:10px 0 13px;letter-spacing:-.04em}
.subscribe-copy p{margin:0;color:#bdccbf}
.subscribe-form{display:grid;grid-template-columns:1fr auto;gap:10px;align-content:center}
.subscribe-form input{height:50px;border:1px solid #698173;background:#fff;color:var(--text);border-radius:10px;padding:0 15px;outline:0}
.subscribe-form input::placeholder{color:#819087}
.form-hint{grid-column:1/-1;margin:2px 0 0;color:#aec0b1;font-size:12px}
.form-feedback{grid-column:1/-1;display:none;color:var(--lime);font-size:13px;font-weight:800}

.footer{background:var(--ink);color:#d7e0d7;padding:70px 0 22px}
.footer .logo{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.45fr .85fr .85fr 1.1fr;gap:40px;padding-bottom:42px}
.footer p{font-size:14px;line-height:1.75;color:#b7c6ba;margin:16px 0 0}
.footer h3{font-size:15px;color:#fff;margin:0 0 14px}
.footer ul{padding:0;margin:0;list-style:none}
.footer li{margin:8px 0}
.footer a{transition:.2s}
.footer a:hover{color:var(--lime)}
.footer-bottom{padding-top:20px;border-top:1px solid rgba(202,220,204,.16);display:flex;flex-wrap:wrap;gap:11px 24px;color:#9fb2a4;font-size:12px}

@media(max-width:1100px){
 .navlinks{gap:14px}.navlinks a{font-size:13px}.nav-cta{padding:0 14px}
 .content-layout{gap:24px}.footer-grid{gap:28px}
}
@media(max-width:900px){
 .navlinks,.nav-cta{display:none}.menu-btn{display:block;margin-left:auto}
 .mobile-panel{position:fixed;inset:0;z-index:200;display:block;background:rgba(7,27,21,.62);opacity:0;visibility:hidden;transition:.22s}
 .mobile-panel.open{opacity:1;visibility:visible}
 .mobile-drawer{width:min(355px,88vw);height:100%;margin-left:auto;background:var(--paper);padding:28px;transform:translateX(100%);transition:.28s ease;display:flex;flex-direction:column}
 .mobile-panel.open .mobile-drawer{transform:translateX(0)}
 .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
 .close-menu{width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:23px;color:var(--ink)}
 .drawer-links{display:grid;border-top:1px solid var(--line)}
 .drawer-links a{padding:14px 2px;border-bottom:1px solid var(--line);font-weight:800}
 .drawer-links a.active{color:var(--green-deep)}
 .drawer-contact{margin-top:auto;padding-top:24px;color:var(--muted);font-size:14px}
 .summary-grid,.method-grid,.subscribe-box{grid-template-columns:1fr}
 .summary-stats{grid-template-columns:repeat(3,1fr)}
 .recommend-grid{grid-template-columns:1fr 1fr}.recommend-card:first-child{grid-column:span 2}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .section{padding:62px 0}.topbar-right{display:none}.topbar-inner{justify-content:center}
 .category-head{padding:54px 0}.category-head h1{font-size:38px}
 .heading-row{display:block;margin-bottom:28px}.heading-row p{margin-top:14px}
 .content-layout{grid-template-columns:1fr}.feature-card img{height:220px}
 .filter-wrap{grid-template-columns:1fr;gap:20px}.filter-panel{padding:17px}
 .filter-bar{flex-wrap:nowrap;overflow:auto;padding-bottom:5px;scrollbar-width:thin}
 .filter-btn{flex:none}.method-grid{gap:28px}
 .recommend-grid{grid-template-columns:1fr}.recommend-card:first-child{grid-column:auto}
 .subscribe-box{padding:29px 23px;gap:22px}.subscribe-copy h2{font-size:27px}
 .subscribe-form{grid-template-columns:1fr}.subscribe-form .btn{width:100%}
 .footer-grid{grid-template-columns:1fr;gap:28px}.footer{padding-top:52px}
}
@media(max-width:420px){
 body{font-size:15px}.navbar{height:68px}.logo{font-size:17px}.logo-mark{width:28px;height:28px}
 .category-head h1{font-size:33px}.summary-stats{grid-template-columns:1fr}.stat-cell{padding:16px}
 .article-row{grid-template-columns:62px 1fr;gap:11px}.article-row h3{font-size:16px}
 .method-step{grid-template-columns:38px 1fr;padding:15px}.mini-chart{display:none}
}

/* roulang page: category6 */
:root{
 --ink:#102b24;--ink-2:#17382f;--forest:#1f4d3c;--green:#5f8c50;--green-deep:#3f6d43;
 --lime:#c8e65a;--paper:#f6f4ee;--paper-2:#eeefe7;--mist:#dfe8d9;--line:#cbd6c9;
 --text:#1d2924;--muted:#66736c;--orange:#b76b3b;--white:#fffefa;
 --radius:18px;--radius-sm:12px;--shadow:0 12px 30px rgba(18,43,35,.08);--container:1200px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.topbar{background:var(--ink);color:#cad7cc;font-size:12px}
.topbar-inner{min-height:35px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:18px;white-space:nowrap}
.status-dot{width:7px;height:7px;background:var(--lime);border-radius:50%;display:inline-block;margin-right:6px}
.header{position:sticky;top:0;z-index:100;background:rgba(246,244,238,.96);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:.22s}
.header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(19,46,37,.06)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;letter-spacing:-.05em;color:var(--ink);white-space:nowrap}
.logo-mark{width:31px;height:31px;background:var(--forest);border-radius:9px;position:relative;overflow:hidden;flex:none}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;border:1px solid var(--lime);border-radius:50%}
.logo-mark:before{width:23px;height:23px;top:4px;left:4px}
.logo-mark:after{width:18px;height:1px;border:0;background:var(--lime);top:15px;left:7px}
.navlinks{display:flex;align-items:center;justify-content:center;gap:20px;flex:1}
.navlinks a{font-size:14px;font-weight:750;color:#3e5047;position:relative;padding:24px 0}
.navlinks a:after{content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;background:var(--green);transform:scaleX(0);transition:.2s}
.navlinks a:hover,.navlinks a.active{color:var(--ink)}
.navlinks a:hover:after,.navlinks a.active:after{transform:scaleX(1)}
.btn{min-height:48px;padding:0 20px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;font-weight:800;transition:.22s ease;white-space:nowrap}
.btn:hover{transform:translateY(-3px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible,.menu-btn:focus-visible,.filter-btn:focus-visible,.faq-toggle:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(95,140,80,.42);outline-offset:3px}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-deep)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#071b15}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff}
.nav-cta{font-size:14px}
.menu-btn{display:none;width:46px;height:46px;border:1px solid var(--line);background:var(--white);border-radius:10px;color:var(--ink);font-size:22px}
.section{padding:94px 0;position:relative;overflow:hidden}
.section-soft{background:var(--paper-2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green-deep);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(200,230,90,.2)}
.heading-row{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:38px}
.heading-row h2{font-size:clamp(29px,3vw,38px);line-height:1.32;letter-spacing:-.045em;margin:10px 0 0;color:var(--ink)}
.heading-row p{max-width:530px;margin:0;color:var(--muted)}
.badge,.tag{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 10px;background:var(--mist);color:var(--ink-2);font-size:12px;font-weight:800;line-height:1.2}
.tag.live:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
.category-head{background:var(--ink);color:var(--white);min-height:325px;position:relative;overflow:hidden}
.category-head:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,29,22,.94),rgba(12,43,32,.71)),url('/assets/images/backpic/back-6.webp') center/cover}
.category-head:after{content:"";position:absolute;inset:0;opacity:.3;background-image:linear-gradient(rgba(200,230,90,.18) 1px,transparent 1px),linear-gradient(90deg,rgba(200,230,90,.14) 1px,transparent 1px);background-size:58px 58px}
.category-head .container{position:relative;z-index:1;padding:56px 0 62px}
.crumb{display:flex;gap:10px;color:#cbd9cc;font-size:13px;align-items:center}
.crumb span{color:var(--lime)}
.category-head h1{font-size:clamp(38px,5vw,53px);line-height:1.2;letter-spacing:-.06em;max-width:840px;margin:20px 0 15px}
.category-head p{max-width:750px;color:#d6e2d7;margin:0;font-size:16px}
.head-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.head-tags .tag{background:rgba(200,230,90,.15);border:1px solid rgba(200,230,90,.42);color:#eff8db}
.summary-grid{display:grid;grid-template-columns:1.25fr repeat(3,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white)}
.summary-main,.summary-item{padding:24px;border-right:1px solid var(--line)}
.summary-item:last-child{border:0}
.summary-main strong{display:block;font-size:17px;margin-bottom:5px}
.summary-main p,.summary-item p{margin:0;color:var(--muted);font-size:14px}
.summary-item b{display:block;font-size:28px;line-height:1.15;font-variant-numeric:tabular-nums;color:var(--forest);margin-bottom:7px}
.content-layout{display:grid;grid-template-columns:1.05fr 1.45fr;gap:28px;align-items:start}
.feature-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.feature-card img{width:100%;height:265px;object-fit:cover}
.feature-copy{padding:25px}
.meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;color:var(--muted);font-size:13px}
.meta time{font-variant-numeric:tabular-nums}
.feature-copy h3{font-size:25px;line-height:1.38;letter-spacing:-.035em;margin:14px 0 10px}
.feature-copy p{color:var(--muted);margin:0 0 18px}
.text-link{font-weight:850;color:var(--green-deep);display:inline-flex;gap:8px;align-items:center}
.text-link span{transition:.2s}
.text-link:hover span{transform:translateX(5px)}
.timeline-list{border-top:1px solid var(--line)}
.article-row{display:grid;grid-template-columns:112px 1fr auto;gap:18px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}
.article-row img{width:112px;height:78px;border-radius:10px;object-fit:cover}
.article-row h3{font-size:17px;line-height:1.45;margin:6px 0 2px}
.article-row p{font-size:13px;color:var(--muted);margin:0;line-height:1.65}
.read-time{font-size:12px;color:var(--green-deep);font-weight:800;white-space:nowrap}
.list-more{margin-top:26px;text-align:right}
.filter-wrap{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:var(--white)}
.filter-head{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:18px}
.filter-head h2{font-size:22px;margin:0;letter-spacing:-.03em}
.filter-head p{margin:0;color:var(--muted);font-size:14px}
.filters{display:flex;gap:10px;flex-wrap:wrap}
.filter-btn{border:1px solid var(--line);background:var(--paper);color:var(--ink-2);padding:10px 14px;border-radius:999px;font-size:14px;font-weight:750;transition:.2s}
.filter-btn:hover,.filter-btn.active{background:var(--forest);border-color:var(--forest);color:#fff}
.method-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:42px;align-items:center}
.method-copy h2{font-size:clamp(28px,3vw,37px);line-height:1.35;margin:10px 0 16px;letter-spacing:-.04em}
.method-copy p{color:var(--muted);margin:0}
.method-steps{margin-top:23px;display:grid;gap:12px}
.step{display:grid;grid-template-columns:38px 1fr;gap:13px;align-items:start}
.step-num{width:35px;height:35px;border-radius:10px;background:var(--mist);color:var(--green-deep);font-weight:900;display:grid;place-items:center}
.step h3{font-size:16px;margin:0 0 2px}
.step p{font-size:14px;margin:0;color:var(--muted)}
.chart-panel{padding:28px;background:var(--ink);color:var(--white);border-radius:var(--radius);position:relative;overflow:hidden}
.chart-panel:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(200,230,90,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(200,230,90,.07) 1px,transparent 1px);background-size:44px 44px}
.chart-panel>*{position:relative}
.chart-title{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:23px}
.chart-title b{font-size:17px}.chart-title span{font-size:12px;color:var(--lime)}
.bars{height:190px;display:flex;align-items:end;gap:16px;border-bottom:1px solid rgba(255,255,255,.3);padding:0 8px 0}
.bar{flex:1;min-width:24px;background:var(--green);border-radius:7px 7px 0 0;position:relative}
.bar:nth-child(2),.bar:nth-child(5){background:var(--lime)}
.bar i{position:absolute;bottom:-27px;left:50%;transform:translateX(-50%);font-size:11px;color:#bdd0c0;font-style:normal}
.chart-notes{display:flex;justify-content:space-between;gap:12px;margin-top:36px;color:#c5d4c6;font-size:12px}
.recommend-grid{display:grid;grid-template-columns:1.15fr .9fr .9fr;gap:20px}
.recommend-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white);transition:.22s}
.recommend-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.recommend-card img{height:178px;width:100%;object-fit:cover}
.recommend-card div{padding:18px}
.recommend-card h3{font-size:18px;line-height:1.45;margin:9px 0 8px}
.recommend-card p{font-size:13px;color:var(--muted);line-height:1.7;margin:0}
.subscribe-box{background:var(--ink);color:var(--white);border-radius:var(--radius);padding:48px;display:grid;grid-template-columns:1fr .92fr;gap:48px;position:relative;overflow:hidden}
.subscribe-box:after{content:"";position:absolute;width:350px;height:350px;border:1px solid rgba(200,230,90,.2);border-radius:50%;right:-120px;bottom:-220px}
.subscribe-box>*{position:relative;z-index:1}
.subscribe-box h2{font-size:clamp(28px,3vw,37px);line-height:1.35;margin:10px 0 13px;letter-spacing:-.04em}
.subscribe-box p{color:#c3d1c5;margin:0}
.subscribe-form{display:grid;grid-template-columns:1fr auto;gap:10px;align-self:center}
.subscribe-form input{min-width:0;height:50px;border:1px solid #557063;border-radius:10px;padding:0 15px;background:#183a30;color:#fff;outline:0}
.subscribe-form input::placeholder{color:#aebfb3}
.subscribe-form .btn{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.subscribe-form .btn:hover{background:#d8ef76}
.form-note{font-size:12px;color:#aec0b0;margin-top:12px!important}
.footer{background:var(--ink);color:#d7e1d8;padding:66px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.15fr;gap:42px;padding-bottom:46px}
.footer .logo{color:#fff;margin-bottom:17px}
.footer p{margin:0 0 12px;color:#afc0b2;font-size:14px;line-height:1.75}
.footer h3{font-size:15px;color:#fff;margin:4px 0 13px}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin:8px 0}
.footer a{transition:.2s}
.footer li a:hover,.footer p a:hover{color:var(--lime)}
.footer-bottom{padding:19px 0;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#8ca293;font-size:12px}
@media(max-width:1100px){.navlinks{gap:13px}.navlinks a{font-size:13px}.nav-cta{padding:0 14px}.content-layout{grid-template-columns:.9fr 1.3fr}}
@media(max-width:900px){.navlinks{position:fixed;z-index:120;inset:0 0 0 auto;width:min(330px,86vw);padding:84px 30px 28px;display:flex;flex-direction:column;justify-content:flex-start;align-items:stretch;background:var(--paper);box-shadow:-16px 0 35px rgba(0,0,0,.14);transform:translateX(105%);transition:.28s}.navlinks.open{transform:translateX(0)}.navlinks a{padding:12px 0;font-size:16px}.navlinks a:after{bottom:6px}.menu-btn{display:block;position:relative;z-index:130}.nav-cta{margin-left:auto}.summary-grid{grid-template-columns:1fr 1fr}.summary-main{grid-column:span 2}.summary-item:nth-child(3){border-right:0}.method-grid,.subscribe-box{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.recommend-grid{grid-template-columns:1fr 1fr}.recommend-card:first-child{grid-column:span 2}.section{padding:76px 0}}
@media(max-width:680px){.container{width:min(var(--container),calc(100% - 30px))}.topbar-right{display:none}.navbar{height:68px;gap:12px}.logo{font-size:17px}.nav-cta{display:none}.category-head .container{padding:44px 0 50px}.category-head{min-height:290px}.category-head h1{font-size:36px}.heading-row{display:block;margin-bottom:29px}.heading-row p{margin-top:14px}.summary-grid{display:block}.summary-main,.summary-item{border-right:0;border-bottom:1px solid var(--line)}.summary-item:last-child{border-bottom:0}.content-layout{grid-template-columns:1fr}.feature-card img{height:225px}.article-row{grid-template-columns:88px 1fr}.article-row img{width:88px;height:67px}.article-row .read-time{display:none}.filter-head{display:block}.filter-head p{margin-top:6px}.filters{flex-wrap:nowrap;overflow:auto;padding-bottom:4px}.filter-btn{white-space:nowrap}.recommend-grid{grid-template-columns:1fr}.recommend-card:first-child{grid-column:auto}.subscribe-box{padding:31px 24px;gap:26px}.subscribe-form{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:23px}.footer{padding-top:48px}}
@media(max-width:375px){.container{width:calc(100% - 24px)}.category-head h1{font-size:31px}.category-head p{font-size:14px}.feature-copy h3{font-size:22px}.article-row{grid-template-columns:75px 1fr;gap:12px}.article-row img{width:75px;height:62px}.article-row h3{font-size:15px}.article-row p{display:none}.btn{padding:0 16px}}

/* roulang page: category5 */
:root{
 --ink:#102b24;
 --ink-2:#17382f;
 --forest:#1f4d3c;
 --green:#5f8c50;
 --green-deep:#3f6d43;
 --lime:#c8e65a;
 --paper:#f6f4ee;
 --paper-2:#eeefe7;
 --mist:#dfe8d9;
 --line:#cbd6c9;
 --text:#1d2924;
 --muted:#66736c;
 --orange:#b76b3b;
 --white:#fffefa;
 --radius:18px;
 --radius-sm:12px;
 --shadow:0 12px 30px rgba(18,43,35,.08);
 --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.8;font-size:16px}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(95,140,80,.55);outline-offset:3px}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.section{padding:96px 0;position:relative;overflow:hidden}
.section-soft{background:var(--paper-2)}
.section-dark{background:var(--ink);color:var(--white)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green-deep);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(200,230,90,.2)}
.heading-row{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:40px}
.heading-row h2,.section-heading h2{font-size:clamp(29px,3vw,38px);line-height:1.3;letter-spacing:-.04em;margin:10px 0 0;color:var(--ink)}
.heading-row p,.section-heading p{max-width:570px;margin:0;color:var(--muted);font-size:16px}
.btn{min-height:48px;padding:0 20px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;font-weight:800;transition:.22s ease;white-space:nowrap}
.btn:hover{transform:translateY(-3px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-deep)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#071b15}
.btn-outline{border-color:currentColor;color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff}
.badge,.tag{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 10px;background:var(--mist);color:var(--ink-2);font-size:12px;font-weight:800;line-height:1.3}
.badge.live:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
.topbar{background:var(--ink);color:#cad7cc;font-size:12px}
.topbar-inner{min-height:35px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:18px;white-space:nowrap}
.header{position:sticky;top:0;z-index:100;background:rgba(246,244,238,.96);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:.22s}
.header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(19,46,37,.06)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;letter-spacing:-.05em;color:var(--ink);white-space:nowrap}
.logo-mark{width:31px;height:31px;background:var(--forest);border-radius:9px;position:relative;overflow:hidden;flex:0 0 auto}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;border:1px solid var(--lime);border-radius:50%}
.logo-mark:before{width:23px;height:23px;top:4px;left:4px}
.logo-mark:after{width:18px;height:1px;border:0;background:var(--lime);top:15px;left:7px}
.navlinks{display:flex;align-items:center;justify-content:center;gap:20px;flex:1}
.navlinks a{font-size:14px;font-weight:750;color:#3e5047;position:relative;padding:24px 0}
.navlinks a:after{content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;background:var(--green);transform:scaleX(0);transition:.2s}
.navlinks a:hover,.navlinks a.active{color:var(--ink)}
.navlinks a:hover:after,.navlinks a.active:after{transform:scaleX(1)}
.nav-cta{font-size:14px}
.menu-btn{display:none;width:46px;height:46px;border:1px solid var(--line);background:var(--white);border-radius:10px;color:var(--ink);font-size:22px}
.mobile-panel{display:none}
.category-head{padding:64px 0 58px;background:linear-gradient(100deg,rgba(16,43,36,.93),rgba(23,56,47,.78)),url('/assets/images/backpic/back-5.webp') center/cover;color:var(--white);position:relative;overflow:hidden}
.category-head:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(200,230,90,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(200,230,90,.08) 1px,transparent 1px);background-size:58px 58px;pointer-events:none}
.category-head .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:10px;color:#c9d7cb;font-size:13px;margin-bottom:22px}
.breadcrumb span:last-child{color:var(--lime)}
.category-head h1{max-width:810px;margin:0;font-size:clamp(38px,5vw,55px);line-height:1.2;letter-spacing:-.06em}
.category-head p{max-width:745px;margin:20px 0 0;color:#dce8de;font-size:16px;line-height:1.9}
.category-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}
.category-tags .tag{background:rgba(200,230,90,.16);border:1px solid rgba(200,230,90,.35);color:#eff8ca}
.summary-grid{display:grid;grid-template-columns:1.2fr repeat(3,.8fr);border:1px solid var(--line);border-radius:var(--radius);background:var(--white);overflow:hidden;box-shadow:var(--shadow)}
.summary-intro,.summary-item{padding:24px 26px}
.summary-intro{background:var(--mist)}
.summary-intro h2{font-size:20px;line-height:1.45;margin:0 0 7px}
.summary-intro p{margin:0;color:var(--muted);font-size:14px}
.summary-item{border-left:1px solid var(--line)}
.summary-item span{display:block;color:var(--muted);font-size:13px;margin-bottom:6px}
.summary-item strong{font-size:25px;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.04em}
.summary-item em{font-style:normal;color:var(--green-deep);font-size:12px;margin-left:5px;font-weight:800}
.content-layout{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(330px,.92fr);gap:28px;align-items:start}
.feature-card{border:1px solid var(--line);background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.feature-image{height:288px;overflow:hidden;background:var(--ink)}
.feature-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.feature-card:hover .feature-image img{transform:scale(1.04)}
.feature-body{padding:28px}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;color:var(--muted);font-size:13px}
.meta time{font-variant-numeric:tabular-nums}
.feature-body h3{font-size:26px;line-height:1.42;letter-spacing:-.035em;margin:15px 0 10px}
.feature-body p{color:var(--muted);margin:0 0 18px}
.data-strip{display:flex;flex-wrap:wrap;gap:8px;padding-top:17px;border-top:1px solid var(--line)}
.timeline-list{border-top:1px solid var(--line)}
.timeline-item{display:grid;grid-template-columns:86px 1fr;gap:17px;padding:20px 0;border-bottom:1px solid var(--line);transition:.2s}
.timeline-item:hover{padding-left:8px;background:rgba(223,232,217,.28)}
.timeline-date{font-size:13px;color:var(--green-deep);font-weight:850;font-variant-numeric:tabular-nums}
.timeline-copy h3{font-size:18px;line-height:1.5;margin:4px 0 6px;letter-spacing:-.02em}
.timeline-copy p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
.filter-shell{border:1px solid var(--line);border-radius:var(--radius);background:var(--white);padding:25px 28px;display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center}
.filter-label{font-size:14px;font-weight:850;color:var(--ink)}
.filter-label p{font-weight:400;color:var(--muted);font-size:13px;margin:3px 0 0}
.filter-tags{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:9px}
.filter-tag{border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--ink-2);font-size:13px;font-weight:800;padding:8px 13px;transition:.2s}
.filter-tag:hover,.filter-tag.active{background:var(--forest);border-color:var(--forest);color:#fff}
.filtered-message{display:none;margin:18px 0 0;color:var(--green-deep);font-weight:800;font-size:14px}
.method-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:center}
.method-copy h2{font-size:clamp(29px,3.2vw,38px);line-height:1.32;letter-spacing:-.045em;margin:12px 0}
.method-copy p{margin:0;color:var(--muted)}
.method-list{list-style:none;padding:0;margin:25px 0 0;display:grid;gap:13px}
.method-list li{display:flex;gap:13px;align-items:flex-start}
.method-num{display:grid;place-items:center;width:30px;height:30px;flex:0 0 30px;border-radius:50%;background:var(--forest);color:var(--lime);font-size:12px;font-weight:900}
.method-list strong{display:block;font-size:16px}
.method-list span{display:block;color:var(--muted);font-size:14px;margin-top:2px}
.method-panel{padding:27px;border:1px solid #315244;border-radius:var(--radius);background:var(--ink);color:#fff;position:relative;overflow:hidden}
.method-panel:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(200,230,90,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(200,230,90,.06) 1px,transparent 1px);background-size:36px 36px}
.method-panel>*{position:relative}
.panel-title{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:25px}
.panel-title h3{margin:0;font-size:18px}
.panel-title span{font-size:12px;color:var(--lime)}
.event-line{position:relative;padding:13px 0 13px 26px;border-left:1px solid #56776a}
.event-line:before{content:"";width:10px;height:10px;position:absolute;left:-6px;top:18px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(200,230,90,.14)}
.event-line.orange:before{background:var(--orange);box-shadow:0 0 0 5px rgba(183,107,59,.15)}
.event-line b{display:block;font-size:14px;color:#fff}
.event-line span{display:block;color:#b8c9bd;font-size:13px;margin-top:2px}
.micro-bars{display:flex;align-items:flex-end;gap:8px;height:93px;padding:17px 0 3px;border-bottom:1px solid #527366;margin-top:18px}
.micro-bars i{display:block;flex:1;border-radius:4px 4px 0 0;background:var(--green)}
.micro-bars i:nth-child(2),.micro-bars i:nth-child(5){background:var(--lime)}
.micro-bars i:nth-child(4){background:var(--orange)}
.recommend-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}
.recommend-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:19px;min-height:194px;display:flex;flex-direction:column;transition:.22s}
.recommend-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#aebfab}
.recommend-card .card-icon{width:38px;height:38px;display:grid;place-items:center;background:var(--mist);border-radius:10px;color:var(--forest);font-weight:900}
.recommend-card h3{font-size:18px;line-height:1.45;margin:16px 0 7px}
.recommend-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
.recommend-card .tag{margin-top:auto;align-self:flex-start}
.subscribe-box{background:var(--ink);border-radius:var(--radius);padding:42px 46px;color:#fff;display:grid;grid-template-columns:1fr minmax(340px,.85fr);gap:44px;align-items:center;position:relative;overflow:hidden}
.subscribe-box:before{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(200,230,90,.17);border-radius:50%;right:-135px;top:-230px}
.subscribe-copy,.subscribe-form{position:relative}
.subscribe-copy h2{font-size:clamp(28px,3vw,37px);line-height:1.35;letter-spacing:-.04em;margin:11px 0}
.subscribe-copy p{margin:0;color:#bfd0c3}
.subscribe-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:21px}
.subscribe-points span{font-size:13px;color:#e7f0e6}
.subscribe-points span:before{content:"✓";color:var(--lime);font-weight:900;margin-right:7px}
.subscribe-form{display:grid;grid-template-columns:1fr auto;gap:10px}
.subscribe-form input{width:100%;height:50px;border:1px solid #628273;border-radius:10px;background:#fffefa;color:var(--text);padding:0 14px;outline:none}
.subscribe-form input::placeholder{color:#849088}
.subscribe-note{grid-column:1/-1;margin:0;color:#b5c6b9;font-size:12px;line-height:1.6}
.form-feedback{grid-column:1/-1;font-size:13px;color:var(--lime);display:none}
.footer{background:#0c241d;color:#cad7cc;padding:68px 0 0}
.footer .logo{color:#fff;margin-bottom:16px}
.footer-grid{display:grid;grid-template-columns:1.35fr .9fr .9fr 1.1fr;gap:44px}
.footer h3{font-size:15px;color:#fff;margin:0 0 15px}
.footer p{font-size:13px;line-height:1.8;margin:0 0 13px}
.footer ul{list-style:none;margin:0;padding:0}
.footer li{margin:8px 0}
.footer a{font-size:13px;transition:.2s}
.footer a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid rgba(203,214,201,.17);margin-top:43px;padding:18px 0;display:flex;gap:16px;justify-content:space-between;flex-wrap:wrap;color:#96aa9d;font-size:12px}
@media(max-width:1100px){
 .navlinks{gap:13px}.navlinks a{font-size:13px}
 .nav-cta{padding:0 14px}
 .recommend-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
 .navlinks,.nav-cta{display:none}.menu-btn{display:block}
 .navbar{height:68px}.header{top:0}
 .mobile-panel{display:block;position:fixed;inset:0;z-index:200;visibility:hidden;pointer-events:none}
 .mobile-panel.open{visibility:visible;pointer-events:auto}
 .mobile-backdrop{position:absolute;inset:0;background:rgba(5,18,13,.52);opacity:0;transition:.25s}
 .mobile-sheet{position:absolute;right:0;top:0;width:min(355px,88vw);height:100%;background:var(--paper);padding:21px;transform:translateX(100%);transition:.28s ease;box-shadow:-16px 0 30px rgba(0,0,0,.15)}
 .mobile-panel.open .mobile-backdrop{opacity:1}.mobile-panel.open .mobile-sheet{transform:none}
 .mobile-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line)}
 .mobile-close{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;font-size:24px;color:var(--ink)}
 .mobile-links{display:grid;gap:3px;padding:18px 0}.mobile-links a{padding:12px;border-radius:9px;font-weight:800}.mobile-links a:hover,.mobile-links a.active{background:var(--mist);color:var(--forest)}
 .mobile-contact{margin-top:14px}
 .summary-grid{grid-template-columns:repeat(3,1fr)}
 .summary-intro{grid-column:1/-1}.summary-item:first-of-type{border-left:0}
 .content-layout,.method-grid,.subscribe-box{grid-template-columns:1fr}
 .subscribe-box{gap:28px}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .topbar-right{display:none}.topbar-inner{justify-content:center}
 .section{padding:64px 0}.category-head{padding:47px 0}
 .heading-row{display:block;margin-bottom:29px}.heading-row p{margin-top:14px}
 .filter-shell{grid-template-columns:1fr;padding:21px}.filter-tags{justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;padding-bottom:5px}
 .filter-tag{white-space:nowrap}
 .feature-image{height:230px}.feature-body{padding:22px}.feature-body h3{font-size:22px}
 .subscribe-box{padding:31px 25px}.footer{padding-top:52px}
}
@media(max-width:560px){
 body{font-size:15px}.container{width:min(var(--container),calc(100% - 32px))}
 .logo{font-size:18px}.category-head h1{font-size:35px}.category-head p{font-size:15px}
 .summary-grid{grid-template-columns:1fr 1fr}.summary-item{padding:19px;border-top:1px solid var(--line);border-left:0}.summary-item:nth-child(3){border-left:1px solid var(--line)}
 .content-layout{gap:20px}.timeline-item{grid-template-columns:67px 1fr;gap:12px}
 .recommend-grid{grid-template-columns:1fr}.method-panel{padding:21px}
 .subscribe-form{grid-template-columns:1fr}.subscribe-form .btn{width:100%}
 .footer-grid{grid-template-columns:1fr;gap:27px}.footer-bottom{display:grid;gap:5px}
}
@media(max-width:375px){
 .navbar{gap:10px}.logo-mark{width:29px;height:29px}.menu-btn{width:44px;height:44px}
 .category-head h1{font-size:31px}.summary-item strong{font-size:21px}
}

/* roulang page: category7 */
:root{
 --ink:#102b24;--ink-2:#17382f;--forest:#1f4d3c;--green:#5f8c50;
 --green-deep:#3f6d43;--lime:#c8e65a;--paper:#f6f4ee;--paper-2:#eeefe7;
 --mist:#dfe8d9;--line:#cbd6c9;--text:#1d2924;--muted:#66736c;
 --orange:#b76b3b;--white:#fffefa;--radius:18px;--radius-sm:12px;
 --shadow:0 12px 30px rgba(18,43,35,.08);--container:1200px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.section{padding:96px 0;position:relative}
.section-soft{background:var(--paper-2)}
.topbar{background:var(--ink);color:#cad7cc;font-size:12px}
.topbar-inner{min-height:35px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:18px;white-space:nowrap}
.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--lime);margin-right:6px}
.header{position:sticky;top:0;z-index:100;background:rgba(246,244,238,.96);border-bottom:1px solid transparent;transition:.22s}
.header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(19,46,37,.06)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;letter-spacing:-.05em;color:var(--ink);white-space:nowrap}
.logo-mark{width:31px;height:31px;background:var(--forest);border-radius:9px;position:relative;overflow:hidden}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;border:1px solid var(--lime);border-radius:50%}
.logo-mark:before{width:23px;height:23px;top:4px;left:4px}
.logo-mark:after{width:18px;height:1px;border:0;background:var(--lime);top:15px;left:7px}
.navlinks{display:flex;align-items:center;justify-content:center;gap:19px;flex:1}
.navlinks a{font-size:14px;font-weight:750;color:#3e5047;position:relative;padding:24px 0}
.navlinks a:after{content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;background:var(--green);transform:scaleX(0);transition:.2s}
.navlinks a:hover,.navlinks a.active{color:var(--ink)}
.navlinks a:hover:after,.navlinks a.active:after{transform:scaleX(1)}
.btn{min-height:48px;padding:0 20px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;font-weight:800;transition:.22s ease;white-space:nowrap}
.btn:hover{transform:translateY(-3px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible,button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(95,140,80,.38);outline-offset:3px}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-deep)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#071b15}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff}
.menu-btn{display:none;width:46px;height:46px;border:1px solid var(--line);background:var(--white);border-radius:10px;color:var(--ink);font-size:22px}
.mobile-panel{display:none}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green-deep);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(200,230,90,.2)}
.heading-row{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:40px}
.heading-row h2,.section-heading h2{font-size:clamp(29px,3vw,38px);line-height:1.3;letter-spacing:-.04em;margin:10px 0 0;color:var(--ink)}
.heading-row p,.section-heading p{max-width:580px;margin:0;color:var(--muted)}
.badge,.tag{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 10px;background:var(--mist);color:var(--ink-2);font-size:12px;font-weight:800;line-height:1.2}
.badge.live:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
.category-hero{padding:72px 0 76px;background:var(--ink);color:#fff;position:relative;overflow:hidden}
.category-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,43,36,.92),rgba(16,43,36,.6)),url('/assets/images/backpic/back-7.webp') center/cover;opacity:.76}
.category-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:10px;color:#b9c8bc;font-size:13px;margin-bottom:24px}
.breadcrumb span:last-child{color:var(--lime)}
.category-hero h1{font-size:clamp(36px,5vw,54px);line-height:1.2;letter-spacing:-.06em;margin:0 0 18px;max-width:780px}
.category-hero p{max-width:750px;color:#dce7dc;margin:0;font-size:17px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-meta .tag{background:rgba(223,232,217,.12);color:#ecf3e9;border:1px solid rgba(223,232,217,.2)}
.summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.summary-item{background:var(--white);padding:24px 26px;min-height:130px}
.summary-item small{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}
.summary-value{font-size:30px;font-weight:900;color:var(--ink);font-variant-numeric:tabular-nums}
.summary-value em{font-style:normal;font-size:14px;font-weight:700;margin-left:4px;color:var(--green-deep)}
.summary-item p{font-size:12px;color:var(--muted);margin:5px 0 0}
.content-layout{display:grid;grid-template-columns:minmax(0,1.13fr) minmax(0,.87fr);gap:28px;align-items:start}
.feature-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.22s}
.feature-card:hover,.article-row:hover,.related-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(18,43,35,.12)}
.feature-image{height:330px;position:relative;overflow:hidden}
.feature-image img{width:100%;height:100%;object-fit:cover;transition:.4s}
.feature-card:hover .feature-image img{transform:scale(1.04)}
.feature-label{position:absolute;left:22px;top:20px;background:var(--lime);color:var(--ink);font-size:12px;font-weight:900;padding:6px 11px;border-radius:7px}
.feature-body{padding:27px 29px 29px}
.meta-line{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:12px;margin-bottom:11px}
.feature-body h3{font-size:25px;line-height:1.4;margin:0 0 10px;color:var(--ink)}
.feature-body p{margin:0;color:var(--muted);font-size:15px}
.article-list{display:grid;gap:12px}
.article-row{display:grid;grid-template-columns:110px 1fr;gap:17px;padding:12px;background:var(--white);border:1px solid var(--line);border-radius:14px;transition:.22s}
.article-row img{width:110px;height:92px;object-fit:cover;border-radius:9px}
.article-row h3{font-size:17px;line-height:1.45;margin:3px 0 5px;color:var(--ink)}
.article-row p{font-size:13px;line-height:1.65;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.filter-box{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:18px 20px;border:1px solid var(--line);background:var(--white);border-radius:14px;margin-bottom:24px}
.filter-title{font-weight:900;color:var(--ink);white-space:nowrap}
.filter-tags{display:flex;gap:8px;flex-wrap:wrap}
.filter-tags button{border:1px solid var(--line);background:var(--paper);color:var(--muted);padding:8px 13px;border-radius:999px;font-size:13px;transition:.2s}
.filter-tags button:hover,.filter-tags button.active{background:var(--forest);border-color:var(--forest);color:#fff}
.method-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.method-card{padding:23px;background:var(--paper);border:1px solid var(--line);border-radius:14px;position:relative}
.method-no{font-size:13px;color:var(--green-deep);font-weight:900;font-variant-numeric:tabular-nums}
.method-card h3{font-size:18px;line-height:1.4;margin:12px 0 8px;color:var(--ink)}
.method-card p{font-size:13px;color:var(--muted);margin:0}
.mini-chart{height:34px;display:flex;align-items:end;gap:4px;margin-top:18px}
.mini-chart i{display:block;flex:1;background:var(--green);border-radius:3px 3px 0 0;opacity:.75}
.mini-chart i:nth-child(1){height:35%}.mini-chart i:nth-child(2){height:52%}.mini-chart i:nth-child(3){height:44%}.mini-chart i:nth-child(4){height:78%}.mini-chart i:nth-child(5){height:66%}
.related-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:18px}
.related-card{background:var(--white);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.22s}
.related-card img{width:100%;height:155px;object-fit:cover}
.related-body{padding:19px}
.related-body h3{font-size:18px;line-height:1.45;margin:10px 0 7px;color:var(--ink)}
.related-body p{font-size:13px;color:var(--muted);margin:0}
.subscribe-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px;align-items:center;background:var(--ink);color:#fff;border-radius:22px;padding:47px 52px;position:relative;overflow:hidden}
.subscribe-panel:after{content:"";position:absolute;width:300px;height:300px;border:1px solid rgba(200,230,90,.2);border-radius:50%;right:-90px;top:-140px}
.subscribe-panel h2{font-size:32px;line-height:1.35;margin:12px 0;color:#fff}
.subscribe-panel p{color:#c8d7ca;margin:0;max-width:470px}
.subscribe-points{display:flex;gap:18px;flex-wrap:wrap;margin-top:23px;color:var(--lime);font-size:13px}
.subscribe-form{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:#d9e5d9;font-weight:700}
.field input,.field select{height:50px;border:1px solid #526d5e;border-radius:9px;background:#17382f;color:#fff;padding:0 14px;outline:none}
.field input::placeholder{color:#9db0a1}
.field input:focus,.field select:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,230,90,.15)}
.form-note{grid-column:1/-1;color:#9fb3a4;font-size:12px}
.form-message{grid-column:1/-1;display:none;color:var(--lime);font-size:13px}
.footer{background:var(--ink);color:#bdcbbf;padding:72px 0 22px;border-top:1px solid #29493c}
.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1fr;gap:38px}
.footer .logo{color:#fff;margin-bottom:18px}
.footer p{font-size:13px;line-height:1.9;margin:8px 0;color:#aebeb1}
.footer h3{font-size:15px;color:var(--lime);margin:4px 0 15px}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin:8px 0;font-size:13px}
.footer a{transition:.2s}
.footer a:hover{color:var(--lime)}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid #315043;margin-top:42px;padding-top:20px;color:#8fa295;font-size:12px}
.empty-state{display:none;padding:25px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:14px}
@media(max-width:992px){
 .navlinks{gap:11px}.navlinks a{font-size:13px}
 .nav-cta{display:none}.content-layout,.subscribe-panel{grid-template-columns:1fr}
 .summary-grid{grid-template-columns:repeat(2,1fr)}
 .method-grid{grid-template-columns:repeat(2,1fr)}
 .related-grid{grid-template-columns:1fr 1fr}
 .related-card:first-child{grid-column:1/-1}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .topbar-left span:nth-child(2){display:none}
 .topbar-right{gap:9px}
 .navbar{height:68px}.navlinks{display:none}.menu-btn{display:block}
 .mobile-panel{position:fixed;display:flex;flex-direction:column;gap:8px;top:103px;right:16px;left:16px;padding:18px;background:var(--white);border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);transform:translateY(-12px);opacity:0;pointer-events:none;transition:.22s}
 .mobile-panel.open{transform:translateY(0);opacity:1;pointer-events:auto}
 .mobile-panel a{padding:12px 10px;border-bottom:1px solid var(--line);font-weight:800;color:var(--ink)}
 .mobile-panel .btn{margin-top:8px}
 .section{padding:64px 0}.category-hero{padding:54px 0 58px}
 .heading-row{display:block;margin-bottom:27px}.heading-row p{margin-top:14px}
 .summary-grid{grid-template-columns:1fr 1fr}
 .feature-image{height:240px}.feature-body{padding:22px}
 .filter-box{display:block}.filter-title{display:block;margin-bottom:12px}
 .filter-tags{flex-wrap:nowrap;overflow-x:auto;padding-bottom:3px}
 .filter-tags button{flex:0 0 auto}
 .subscribe-panel{padding:32px 23px;gap:28px}.subscribe-panel h2{font-size:27px}
 .footer-grid{gap:25px}
}
@media(max-width:520px){
 .topbar-inner{font-size:11px}.topbar-right span:first-child{display:none}
 .summary-grid,.method-grid,.related-grid{grid-template-columns:1fr}
 .related-card:first-child{grid-column:auto}
 .article-row{grid-template-columns:88px 1fr;gap:12px}.article-row img{width:88px;height:78px}
 .feature-body h3{font-size:21px}
 .subscribe-form{grid-template-columns:1fr}.field.full,.form-note,.form-message{grid-column:auto}
 .footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin:7px 0}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}