/* roulang page: index */
:root{
  --kai-600:#3E6B4F; --kai-700:#2A4A38; --kai-500:#5C8663; --kai-300:#9DBFA0;
  --straw-400:#D9B26A; --straw-200:#EBD9AE; --clay:#C2703E;
  --washi:#FAF7F1; --washi-2:#F2EDE3;
  --ink:#23261F; --ink-2:#5C6157; --ink-3:#8A8F85;
  --line:#E2DACB; --line-2:#CFC6B4;
  --r-lg:22px; --r-md:14px; --r-sm:12px;
  --shadow:0 1px 2px rgba(35,38,31,.05), 0 12px 28px -14px rgba(62,107,79,.20);
  --shadow-hover:0 2px 4px rgba(35,38,31,.07), 0 22px 40px -18px rgba(42,74,56,.34);
  --grad-brand:linear-gradient(135deg,#3E6B4F 0%,#6E9B6A 55%,#D9B26A 100%);
  --t:200ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--washi);color:var(--ink);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;font-size:16.5px;line-height:1.8;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{font-family:"Noto Serif SC","Songti SC",serif;line-height:1.3;margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
@media(min-width:768px){.container{padding:0 24px;}}
@media(min-width:1024px){.container{padding:0 32px;}}
.sec{padding:56px 0;}
@media(min-width:768px){.sec{padding:80px 0;}}
@media(min-width:1024px){.sec{padding:96px 0;}}
.sec-alt{background:var(--washi-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-title{display:flex;align-items:center;gap:12px;font-size:clamp(24px,3vw,34px);color:var(--ink);}
.sec-title::before{content:"";flex:0 0 auto;width:3px;height:18px;background:var(--kai-600);border-radius:2px;}
.sec-sub{margin-top:12px;color:var(--ink-2);font-size:15px;max-width:720px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:var(--kai-700);background:#E7F0E7;border:1px solid #D3E3D4;border-radius:999px;padding:5px 14px;}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(250,247,241,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:var(--t);}
.header-inner{display:flex;align-items:center;gap:16px;min-height:72px;}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.logo-mark{width:40px;height:40px;border-radius:12px;background:var(--grad-brand);display:grid;place-items:center;box-shadow:0 6px 14px -6px rgba(62,107,79,.6);}
.logo-mark svg{width:22px;height:22px;}
.logo-text strong{display:block;font-family:"Noto Serif SC","Songti SC",serif;font-size:18px;letter-spacing:.02em;color:var(--kai-700);line-height:1.2;}
.logo-text small{display:block;font-size:10.5px;letter-spacing:.16em;color:var(--ink-3);text-transform:uppercase;line-height:1.4;}
.nav-wrap{margin-left:auto;display:none;}
@media(min-width:1024px){.nav-wrap{display:block;}}
.chip-group{display:flex;align-items:center;gap:4px;padding:4px;background:var(--washi-2);border:1px solid var(--line);border-radius:999px;}
.chip{display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;font-size:14.5px;color:var(--ink-2);transition:var(--t);white-space:nowrap;}
.chip:hover{color:var(--kai-700);background:rgba(62,107,79,.07);}
.chip.active{background:#fff;color:var(--kai-700);font-weight:600;box-shadow:0 1px 3px rgba(35,38,31,.10);}
.header-cta{display:none;}
@media(min-width:1024px){.header-cta{display:flex;margin-left:16px;}}
.menu-btn{display:grid;place-items:center;width:44px;height:44px;margin-left:auto;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;transition:var(--t);}
.menu-btn:hover{border-color:var(--kai-300);}
@media(min-width:1024px){.menu-btn{display:none;}}
.menu-btn span{display:block;width:18px;height:2px;background:var(--kai-700);border-radius:2px;position:relative;}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--kai-700);border-radius:2px;transition:var(--t);}
.menu-btn span::before{top:-6px;}
.menu-btn span::after{top:6px;}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0 20px;}
.mobile-panel.open{display:block;}
.mobile-chips{display:flex;gap:8px;overflow-x:auto;padding:2px 0 12px;-webkit-overflow-scrolling:touch;}
.mobile-chips .chip{border:1px solid var(--line);background:#fff;flex:0 0 auto;}
.mobile-chips .chip.active{background:var(--kai-600);color:#fff;border-color:var(--kai-600);}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:999px;font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:var(--t);white-space:nowrap;}
.btn:focus-visible{outline:2px solid var(--kai-600);outline-offset:2px;}
.btn-primary{background:linear-gradient(135deg,#3E6B4F,#5C8663);color:#fff;box-shadow:0 10px 22px -12px rgba(42,74,56,.85);}
.btn-primary:hover{background:linear-gradient(135deg,#2A4A38,#3E6B4F);transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(42,74,56,.9);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--kai-700);}
.btn-ghost:hover{background:rgba(62,107,79,.08);border-color:var(--kai-300);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}

/* hero */
.hero{position:relative;overflow:hidden;background:#F5F1E7;}
.hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.26;}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(250,247,241,.97) 0%,rgba(250,247,241,.90) 46%,rgba(235,217,174,.42) 100%);}
.hero-inner{position:relative;z-index:2;padding:56px 0 64px;display:grid;gap:32px;}
@media(min-width:1024px){.hero-inner{grid-template-columns:1.05fr .95fr;gap:48px;padding:84px 0 92px;align-items:center;}}
.hero h1{font-size:clamp(30px,4.4vw,48px);letter-spacing:.01em;color:#1F2A21;}
.hero h1 em{font-style:normal;color:var(--kai-600);}
.hero-lead{margin-top:18px;font-size:16.5px;color:var(--ink-2);max-width:560px;line-height:1.85;}
.hero-cta{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;}
.badges{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;}
.badge{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--kai-700);background:#F5EBD3;border:1px solid #E7D7B0;border-radius:999px;padding:7px 14px;}
.badge i{width:6px;height:6px;border-radius:50%;background:var(--kai-600);display:inline-block;}
.hero-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);overflow:hidden;}
.hero-panel-top{background:var(--grad-brand);padding:20px 22px;color:#fff;}
.hero-panel-top h3{font-size:17px;color:#fff;}
.hero-panel-top p{font-size:13px;opacity:.88;margin-top:6px;}
.hero-panel-body{padding:18px 22px 22px;}
.hp-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);}
.hp-row:last-child{border-bottom:0;padding-bottom:2px;}
.hp-row span{font-size:14px;color:var(--ink-2);}
.hp-row b{font-size:19px;color:var(--kai-700);}

/* metrics */
.metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
@media(min-width:768px){.metric-grid{gap:20px;}}
@media(min-width:1024px){.metric-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
.metric-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px 22px;box-shadow:var(--shadow);transition:var(--t);}
.metric-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand);border-radius:var(--r-lg) var(--r-lg) 0 0;}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.metric-num{font-size:clamp(30px,3.4vw,40px);font-weight:800;color:var(--kai-700);line-height:1.1;font-variant-numeric:tabular-nums;}
.metric-num small{font-size:14px;font-weight:600;color:var(--ink-2);margin-left:4px;}
.metric-desc{margin-top:8px;font-size:13px;color:var(--ink-3);line-height:1.7;}

/* service matrix */
.matrix{display:grid;gap:18px;grid-template-columns:1fr;}
@media(min-width:768px){.matrix{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}}
@media(min-width:1024px){.matrix{grid-template-columns:repeat(12,minmax(0,1fr));grid-auto-rows:minmax(180px,auto);}}
.m-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:var(--t);display:flex;flex-direction:column;}
.m-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--kai-300);}
@media(min-width:1024px){
  .m-card-lg{grid-column:span 7;grid-row:span 2;}
  .m-card-sm{grid-column:span 5;}
  .m-card-half{grid-column:span 6;}
}
.m-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--washi-2);}
.m-media img{width:100%;height:100%;object-fit:cover;transition:transform 500ms ease;}
.m-card:hover .m-media img{transform:scale(1.04);}
.m-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.m-body h3{font-size:19px;color:var(--ink);}
.m-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{font-size:12.5px;color:var(--kai-700);background:#E7F0E7;border-radius:999px;padding:4px 12px;}
.tag-straw{background:#F5EBD3;color:#7A5A1E;}
.more{margin-top:auto;padding-top:10px;font-size:14px;font-weight:600;color:var(--kai-600);display:inline-flex;align-items:center;gap:6px;transition:var(--t);}
.m-card:hover .more{gap:11px;color:var(--kai-700);}

/* steps */
.steps{display:grid;gap:16px;grid-template-columns:1fr;}
@media(min-width:640px){.steps{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.steps{grid-template-columns:repeat(5,minmax(0,1fr));}}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 20px;box-shadow:var(--shadow);transition:var(--t);position:relative;}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--kai-300);}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;background:var(--kai-600);color:#fff;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;}
.step h3{margin-top:14px;font-size:17px;}
.step p{margin-top:8px;font-size:13.5px;color:var(--ink-2);line-height:1.75;}

/* cms cards */
.cms-grid{display:grid;gap:18px;grid-template-columns:1fr;}
@media(min-width:768px){.cms-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}}
@media(min-width:1024px){.cms-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.cms-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:var(--t);display:flex;flex-direction:column;}
.cms-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--kai-300);}
.cms-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--washi-2);}
.cms-media img{width:100%;height:100%;object-fit:cover;transition:transform 500ms ease;}
.cms-card:hover .cms-media img{transform:scale(1.05);}
.cms-chip{position:absolute;top:12px;left:12px;font-size:12px;background:rgba(255,255,255,.94);color:var(--kai-700);border-radius:999px;padding:4px 11px;box-shadow:0 2px 8px rgba(35,38,31,.12);}
.cms-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.cms-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cms-body p{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.cms-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);}
.cms-foot .go{color:var(--kai-600);font-weight:600;transition:var(--t);}
.cms-card:hover .cms-foot .go{transform:translateX(3px);}
.empty-state{grid-column:1/-1;text-align:center;padding:52px 24px;background:#fff;border:1px dashed var(--line-2);border-radius:var(--r-lg);}
.empty-state svg{width:44px;height:44px;margin:0 auto 14px;color:var(--kai-300);}
.empty-state p{color:var(--ink-2);font-size:14.5px;margin-bottom:16px;}

/* compare */
.compare{display:grid;gap:18px;grid-template-columns:1fr;}
@media(min-width:900px){.compare{grid-template-columns:1fr 1fr;gap:22px;}}
.cmp-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);}
.cmp-head{padding:16px 22px;display:flex;align-items:center;justify-content:space-between;font-size:15px;font-weight:700;}
.cmp-before .cmp-head{background:#F2EDE3;color:var(--ink-2);}
.cmp-after .cmp-head{background:linear-gradient(135deg,#3E6B4F,#6E9B6A);color:#fff;}
.cmp-list{padding:8px 22px 20px;}
.cmp-list li{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-2);}
.cmp-list li:last-child{border-bottom:0;}
.cmp-list li b{color:var(--ink);font-weight:600;}
.diff-bar{margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow);display:grid;gap:16px;}
@media(min-width:768px){.diff-bar{grid-template-columns:repeat(3,minmax(0,1fr));}}
.diff-item{text-align:center;}
.diff-item span{display:block;font-size:13px;color:var(--ink-3);}
.diff-item b{display:block;font-size:24px;color:var(--kai-700);margin-top:6px;font-variant-numeric:tabular-nums;}
.diff-tag{display:inline-block;margin-top:8px;font-size:12.5px;color:#fff;background:var(--clay);border-radius:999px;padding:3px 11px;font-variant-numeric:tabular-nums;}

/* faq */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:var(--t);}
.faq-item.open{background:#F1F7F1;border-color:var(--kai-300);}
.faq-q{width:100%;display:flex;align-items:center;gap:14px;padding:18px 20px;background:transparent;border:0;cursor:pointer;text-align:left;font-size:16px;font-weight:600;color:var(--ink);font-family:"Noto Serif SC","Songti SC",serif;}
.faq-q:focus-visible{outline:2px solid var(--kai-600);outline-offset:-2px;}
.faq-no{flex:0 0 auto;width:28px;height:28px;border-radius:9px;background:#E7F0E7;color:var(--kai-700);display:grid;place-items:center;font-size:13px;font-variant-numeric:tabular-nums;}
.faq-item.open .faq-no{background:var(--kai-600);color:#fff;}
.faq-icon{margin-left:auto;flex:0 0 auto;width:18px;height:18px;position:relative;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--kai-600);border-radius:2px;transition:var(--t);}
.faq-icon::before{top:8px;left:0;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms ease;}
.faq-a p{padding:0 20px 20px 62px;font-size:14.5px;color:var(--ink-2);line-height:1.85;}

/* form */
.form-wrap{display:grid;gap:24px;}
@media(min-width:1024px){.form-wrap{grid-template-columns:1.15fr .85fr;gap:32px;align-items:start;}}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px;box-shadow:var(--shadow);}
@media(min-width:768px){.form-card{padding:34px 32px;}}
.form-grid{display:grid;gap:16px;grid-template-columns:1fr;}
@media(min-width:640px){.form-grid{grid-template-columns:1fr 1fr;}}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13px;color:var(--ink-2);}
.field label b{color:var(--clay);font-weight:600;}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line-2);background:#fff;border-radius:var(--r-sm);padding:12px 14px;font-size:15px;transition:var(--t);min-height:46px;}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--kai-600);box-shadow:0 0 0 3px rgba(62,107,79,.16);}
.form-actions{margin-top:20px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.form-note{font-size:12.5px;color:var(--ink-3);}
.trust{display:grid;gap:14px;}
.trust-item{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--shadow);transition:var(--t);}
.trust-item:hover{border-color:var(--kai-300);transform:translateY(-3px);}
.trust-icon{flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:#E7F0E7;display:grid;place-items:center;color:var(--kai-700);}
.trust-item h3{font-size:15.5px;}
.trust-item p{font-size:13.5px;color:var(--ink-2);margin-top:5px;line-height:1.7;}

/* footer */
.site-footer{background:#1E2A22;color:#CFD8CF;padding:52px 0 0;margin-top:0;}
.foot-grid{display:grid;gap:28px;grid-template-columns:1fr;}
@media(min-width:768px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;}}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:14px;font-family:"Noto Serif SC","Songti SC",serif;}
.site-footer p,.site-footer li,.site-footer a{font-size:13.5px;color:#A9B5A9;line-height:1.9;}
.site-footer a{transition:var(--t);}
.site-footer a:hover{color:#EBD9AE;}
.foot-logo{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.foot-logo .logo-mark{width:38px;height:38px;background:linear-gradient(135deg,#5C8663,#D9B26A);box-shadow:none;}
.foot-logo strong{font-family:"Noto Serif SC","Songti SC",serif;font-size:17px;color:#fff;}
.foot-logo small{display:block;font-size:10.5px;letter-spacing:.16em;color:#8A9A8C;}
.foot-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.foot-chips span{font-size:12px;color:#EBD9AE;border:1px solid rgba(235,217,174,.35);border-radius:999px;padding:4px 11px;}
.foot-bottom{margin-top:36px;border-top:1px solid rgba(255,255,255,.10);padding:18px 0 24px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:#7F8C81;}

/* misc */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.link-more{font-size:14.5px;font-weight:600;color:var(--kai-600);display:inline-flex;align-items:center;gap:6px;transition:var(--t);}
.link-more:hover{gap:11px;color:var(--kai-700);}
.pattern-band{position:relative;}
.pattern-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(62,107,79,.05) 0 1px,transparent 1px 26px);pointer-events:none;}
.reveal{opacity:0;transform:translateY(14px);animation:riseIn 520ms ease forwards;}
@keyframes riseIn{to{opacity:1;transform:none;}}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --kai-700:#2A4A38;
  --kai-600:#3E6B4F;
  --kai-500:#5C8663;
  --kai-300:#9DBFA0;
  --kai-50:#E7F0E7;
  --kai-25:#F1F7F1;
  --straw:#D9B26A;
  --straw-light:#EBD9AE;
  --straw-25:#F5EBD3;
  --clay:#C2703E;
  --washi:#FAF7F1;
  --washi-sunk:#F2EDE3;
  --ink:#23261F;
  --ink-soft:#5C6157;
  --line:#E2DACB;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-soft:0 1px 2px rgba(35,38,31,.05), 0 12px 28px -14px rgba(62,107,79,.20);
  --shadow-lift:0 2px 0 rgba(62,107,79,.55), 0 20px 36px -18px rgba(42,74,56,.32);
  --grad-brand:linear-gradient(135deg,#3E6B4F 0%,#6E9B6A 55%,#D9B26A 100%);
  --t:200ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--washi);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:"Noto Serif SC","Songti SC",serif;line-height:1.32;margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
button,input,select,textarea{font:inherit;color:inherit;}
.num,.stat-num,.meta-time{font-variant-numeric:tabular-nums;}
::selection{background:var(--straw-light);color:var(--kai-700);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
@media(min-width:768px){.container{padding:0 24px;}}
@media(min-width:1024px){.container{padding:0 32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,247,241,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px -18px rgba(35,38,31,.45);
  background:rgba(250,247,241,.97);
}
.header-inner{display:flex;align-items:center;gap:16px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:var(--grad-brand);box-shadow:0 8px 18px -10px rgba(62,107,79,.7);
}
.logo-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-family:"Noto Serif SC","Songti SC",serif;font-size:18px;color:var(--kai-700);letter-spacing:.02em;}
.brand-text small{font-size:11px;color:var(--ink-soft);letter-spacing:.16em;text-transform:uppercase;}

.nav-wrap{flex:1 1 auto;display:flex;justify-content:center;min-width:0;}
.chip-group{
  display:flex;align-items:center;gap:4px;padding:5px;
  background:var(--washi-sunk);border:1px solid var(--line);border-radius:999px;
}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  padding:8px 16px;border-radius:999px;font-size:14.5px;color:var(--ink-soft);
  white-space:nowrap;transition:all var(--t);min-height:38px;
}
.chip:hover{background:rgba(62,107,79,.08);color:var(--kai-700);}
.chip.active,.chip[aria-current="page"]{
  background:#fff;color:var(--kai-700);font-weight:600;
  box-shadow:0 1px 2px rgba(35,38,31,.06),0 8px 18px -12px rgba(62,107,79,.5);
}
.header-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all var(--t);
}
.btn.btn-primary{background:var(--kai-600);color:#fff;box-shadow:0 10px 22px -14px rgba(62,107,79,.9);}
.btn.btn-primary:hover{background:var(--kai-700);transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(42,74,56,.85);}
.btn.btn-primary:active{transform:translateY(0);}
.btn.btn-ghost{background:transparent;color:var(--kai-700);border-color:var(--line);}
.btn.btn-ghost:hover{background:rgba(62,107,79,.08);border-color:var(--kai-300);transform:translateY(-2px);}
.btn.btn-ghost:active{transform:translateY(0);}
.btn.btn-straw{background:var(--straw-light);color:#4A3A16;}
.btn.btn-straw:hover{background:var(--straw);color:#3A2D10;transform:translateY(-2px);}
.btn.btn-block{width:100%;}
.btn:focus-visible,.chip:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--kai-600);outline-offset:2px;border-radius:999px;
}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--kai-700);border-radius:2px;position:relative;}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--kai-700);border-radius:2px;}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--washi);padding:12px 0 18px;}
.mobile-panel.open{display:block;}
.mobile-scroll{display:flex;gap:8px;overflow-x:auto;padding:0 16px 4px;}
.mobile-scroll .chip{background:#fff;border:1px solid var(--line);}
.mobile-panel .btn{margin:12px 16px 0;width:calc(100% - 32px);}

@media(max-width:900px){
  .nav-wrap{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-cta .btn.btn-primary{display:none;}
}
@media(max-width:520px){
  .brand-text small{display:none;}
  .header-inner{min-height:64px;}
}

/* ---------- banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-color:var(--washi-sunk);
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.20;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(250,247,241,.96) 0%,rgba(250,247,241,.72) 52%,rgba(62,107,79,.16) 100%);
}
.page-banner .container{position:relative;z-index:2;}

/* ---------- breadcrumb ---------- */
.crumb{padding:18px 0 0;font-size:13.5px;color:var(--ink-soft);}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--kai-300);}
.crumb a{color:var(--ink-soft);transition:color var(--t);}
.crumb a:hover{color:var(--kai-600);text-decoration:underline;text-underline-offset:4px;}
.crumb .now{color:var(--kai-700);max-width:min(58vw,420px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:inline-block;vertical-align:bottom;}

/* ---------- article head ---------- */
.article-head{padding:26px 0 34px;max-width:840px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--kai-50);color:var(--kai-700);font-size:13px;font-weight:600;letter-spacing:.04em;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--kai-600);display:block;}
.article-head h1{
  font-size:clamp(26px,3.6vw,42px);
  margin:16px 0 14px;color:var(--ink);
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:13.5px;color:var(--ink-soft);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.tag-inline{
  display:inline-flex;align-items:center;padding:3px 12px;border-radius:999px;
  background:var(--straw-25);color:#6A5320;font-size:12.5px;font-weight:600;
}
.tag-inline.kai{background:var(--kai-50);color:var(--kai-700);}

/* ---------- article body ---------- */
.article-shell{padding:0 0 56px;}
.article-main{
  max-width:768px;margin:0 auto;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-soft);
  padding:30px 22px 38px;
}
@media(min-width:768px){.article-main{padding:44px 48px 52px;}}
.article-body{font-size:16.8px;line-height:1.85;color:#2C3028;word-break:break-word;}
.article-body>*+*{margin-top:18px;}
.article-body p{margin:0 0 18px;}
.article-body h2{
  font-size:clamp(21px,2.5vw,27px);margin:40px 0 16px;padding-left:14px;position:relative;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:1.05em;border-radius:2px;
  background:var(--grad-brand);
}
.article-body h3{font-size:19px;margin:30px 0 12px;color:var(--kai-700);}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;}
.article-body li{margin-bottom:9px;line-height:1.8;}
.article-body ul li::marker{color:var(--kai-500);}
.article-body ol li::marker{color:var(--kai-600);font-weight:700;}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:4px solid var(--kai-300);
  background:var(--kai-25);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--kai-700);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:var(--radius-md);margin:22px auto;box-shadow:var(--shadow-soft);
  width:100%;height:auto;
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  text-align:center;font-size:13px;color:var(--ink-soft);margin-top:10px;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:var(--washi-sunk);color:var(--kai-700);font-weight:600;}
.article-body tr:last-child td{border-bottom:none;}
.article-body a{color:var(--kai-600);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--kai-700);}
.article-body pre{
  background:#20261F;color:#E8EFE6;padding:18px 20px;border-radius:var(--radius-sm);
  overflow-x:auto;font-size:14px;line-height:1.7;margin:22px 0;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body code{
  background:var(--washi-sunk);padding:2px 6px;border-radius:6px;font-size:14.5px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--kai-700);
}
.article-body pre code{background:transparent;color:inherit;padding:0;}

/* ---------- empty state ---------- */
.empty-state{
  text-align:center;padding:56px 20px;border:1px dashed var(--line);border-radius:var(--radius-lg);
  background:var(--washi-sunk);
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:18px;display:grid;place-items:center;
  background:var(--kai-50);color:var(--kai-600);
}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--ink-soft);font-size:14.5px;margin-bottom:20px;}

/* ---------- related ---------- */
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:76px 0;}}
.section.sunk{background:var(--washi-sunk);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);display:flex;align-items:center;gap:12px;}
.section-head h2::before{content:"";width:3px;height:20px;border-radius:2px;background:var(--grad-brand);}
.section-head p{color:var(--ink-soft);font-size:14px;}
.link-more{color:var(--kai-600);font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:gap var(--t),color var(--t);}
.link-more:hover{gap:10px;color:var(--kai-700);}

.card-grid{display:grid;gap:22px;grid-template-columns:repeat(3,minmax(0,1fr));}
@media(max-width:1024px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(max-width:640px){.card-grid{grid-template-columns:1fr;}}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow-soft);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:rgba(62,107,79,.32);}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--washi-sunk);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-tag{
  position:absolute;top:12px;left:12px;padding:4px 12px;border-radius:999px;
  background:rgba(250,247,241,.94);color:var(--kai-700);font-size:12px;font-weight:600;
  border:1px solid rgba(62,107,79,.18);backdrop-filter:blur(4px);
}
.card-body{padding:20px 20px 18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:14.5px;color:var(--ink-soft);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-soft);
}
.card-foot .arrow{color:var(--kai-600);font-weight:600;transition:transform var(--t);}
.card:hover .card-foot .arrow{transform:translateX(4px);}

/* ---------- cta strip ---------- */
.cta-strip{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background-image:var(--grad-brand);
  padding:30px 24px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  box-shadow:0 24px 46px -26px rgba(42,74,56,.75);
}
.cta-strip::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 22px);
  opacity:.5;
}
.cta-strip>*{position:relative;z-index:2;}
.cta-strip h2{font-size:clamp(20px,2.4vw,26px);color:#fff;}
.cta-strip p{font-size:14.5px;color:rgba(255,255,255,.88);margin-top:8px;max-width:640px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-strip .btn.btn-primary{background:#fff;color:var(--kai-700);}
.cta-strip .btn.btn-primary:hover{background:var(--straw-light);color:#3A2D10;}
.cta-strip .btn.btn-ghost{color:#fff;border-color:rgba(255,255,255,.55);}
.cta-strip .btn.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;}

/* ---------- trusted bar ---------- */
.trust-row{display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr));}
@media(max-width:768px){.trust-row{grid-template-columns:1fr;}}
.trust-item{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);padding:18px 20px;box-shadow:var(--shadow-soft);
}
.trust-ico{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;display:grid;place-items:center;
  background:var(--kai-50);color:var(--kai-700);
}
.trust-item h4{font-size:15.5px;margin-bottom:4px;}
.trust-item p{font-size:13.5px;color:var(--ink-soft);}

/* ---------- footer ---------- */
.site-footer{background:#1E2A22;color:rgba(250,247,241,.82);padding:52px 0 22px;margin-top:0;}
.foot-grid{display:grid;gap:32px;grid-template-columns:1.5fr 1fr 1fr 1.2fr;}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr;}}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:14px;font-family:"Noto Serif SC","Songti SC",serif;}
.site-footer ul{list-style:none;display:flex;flex-direction:column;gap:9px;font-size:14px;}
.site-footer a{color:rgba(250,247,241,.78);transition:color var(--t);}
.site-footer a:hover{color:var(--straw-light);}
.foot-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-logo .logo-mark{background:var(--grad-brand);}
.foot-logo strong{display:block;color:#fff;font-size:17px;font-family:"Noto Serif SC","Songti SC",serif;}
.foot-logo small{display:block;font-size:11px;letter-spacing:.16em;color:rgba(250,247,241,.6);text-transform:uppercase;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(250,247,241,.72);}
.foot-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.foot-chips span{
  font-size:12.5px;padding:4px 12px;border-radius:999px;
  background:rgba(217,178,106,.16);color:var(--straw-light);border:1px solid rgba(217,178,106,.28);
}
.foot-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(250,247,241,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:rgba(250,247,241,.55);
}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --kai-300:#9DBFA0; --kai-500:#5C8663; --kai-600:#3E6B4F; --kai-700:#2A4A38;
  --straw:#D9B26A; --straw-light:#EBD9AE;
  --clay:#C2703E;
  --washi:#FAF7F1; --washi-alt:#F2EDE3;
  --ink:#23261F; --ink-soft:#5C6157; --line:#E2DACB;
  --radius-card:22px; --radius-soft:14px; --radius-img:16px;
  --shadow-card:0 1px 2px rgba(35,38,31,.05), 0 12px 28px -14px rgba(62,107,79,.20);
  --shadow-lift:0 2px 0 var(--kai-600), 0 18px 34px -16px rgba(62,107,79,.34);
  --grad-brand:linear-gradient(135deg,#3E6B4F 0%,#6E9B6A 55%,#D9B26A 100%);
}
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0; background:var(--washi); color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px; line-height:1.8; letter-spacing:.01em;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; }
h1,h2,h3,h4{ font-family:"Noto Serif SC","Songti SC",serif; line-height:1.3; margin:0; letter-spacing:.01em; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }
.num,.tabular{ font-variant-numeric:tabular-nums; }
.container{ width:100%; max-width:1200px; margin:0 auto; padding:0 16px; }
@media(min-width:768px){ .container{ padding:0 24px; } }
@media(min-width:1024px){ .container{ padding:0 32px; } }

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:60; background:rgba(250,247,241,.86);
  border-bottom:1px solid transparent; transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{
  background:rgba(250,247,241,.82); backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px); border-bottom-color:var(--line);
  box-shadow:0 8px 24px -20px rgba(35,38,31,.6);
}
.header-inner{ display:flex; align-items:center; gap:18px; min-height:72px; }
.brand{ display:flex; align-items:center; gap:10px; flex:0 0 auto; }
.logo-mark{
  width:38px; height:38px; border-radius:12px; display:grid; place-items:center; flex:0 0 auto;
  background:var(--grad-brand);
  box-shadow:0 8px 16px -10px rgba(62,107,79,.7);
}
.logo-mark svg{ width:22px; height:22px; }
.brand-text{ display:flex; flex-direction:column; line-height:1.15; }
.brand-text strong{ font-family:"Noto Serif SC","Songti SC",serif; font-size:17px; letter-spacing:.02em; }
.brand-text small{ font-size:11px; color:var(--ink-soft); letter-spacing:.12em; text-transform:uppercase; }
.nav-wrap{ flex:1 1 auto; display:flex; justify-content:center; }
.chip-group{
  display:flex; align-items:center; gap:4px; padding:4px;
  background:var(--washi-alt); border:1px solid var(--line); border-radius:999px;
}
.chip{
  display:inline-flex; align-items:center; justify-content:center; min-height:38px; padding:0 18px;
  border-radius:999px; font-size:14.5px; color:var(--ink-soft);
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.chip:hover{ background:rgba(62,107,79,.08); color:var(--kai-700); }
.chip.active{
  background:#fff; color:var(--kai-700); font-weight:600;
  box-shadow:0 1px 2px rgba(35,38,31,.06),0 10px 20px -14px rgba(62,107,79,.55);
}
.header-cta{ display:flex; align-items:center; gap:10px; flex:0 0 auto; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  min-height:44px; padding:0 22px; border-radius:999px; border:1px solid transparent;
  font-size:15px; font-weight:600; cursor:pointer; white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,opacity .2s ease;
}
.btn-primary{ background:linear-gradient(135deg,#3E6B4F 0%,#5C8663 100%); color:#fff; box-shadow:0 12px 24px -16px rgba(62,107,79,.9); }
.btn-primary:hover{ background:linear-gradient(135deg,#2A4A38 0%,#3E6B4F 100%); transform:translateY(-2px); box-shadow:0 18px 30px -16px rgba(42,74,56,.85); }
.btn-primary:active{ transform:translateY(0); }
.btn-ghost{ background:transparent; color:var(--kai-700); border-color:rgba(62,107,79,.4); }
.btn-ghost:hover{ background:rgba(62,107,79,.08); transform:translateY(-2px); }
.btn-ghost:active{ transform:translateY(0); }
.btn-light{ background:rgba(255,255,255,.94); color:var(--kai-700); box-shadow:0 12px 24px -18px rgba(0,0,0,.6); }
.btn-light:hover{ background:#fff; transform:translateY(-2px); }
.btn-outline-light{ background:transparent; color:#fff; border-color:rgba(255,255,255,.62); }
.btn-outline-light:hover{ background:rgba(255,255,255,.14); transform:translateY(-2px); }
.btn-block{ width:100%; }
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--kai-600); outline-offset:2px;
}

/* ---------- mobile nav ---------- */
.menu-toggle{
  display:none; width:44px; height:44px; border-radius:14px; border:1px solid var(--line);
  background:#fff; cursor:pointer; align-items:center; justify-content:center;
}
.menu-toggle span{ display:block; width:18px; height:2px; background:var(--ink); position:relative; }
.menu-toggle span::before,.menu-toggle span::after{
  content:""; position:absolute; left:0; width:18px; height:2px; background:var(--ink);
}
.menu-toggle span::before{ top:-6px; } .menu-toggle span::after{ top:6px; }
.mobile-panel{ display:none; border-top:1px solid var(--line); background:var(--washi); padding:12px 0 18px; }
.mobile-panel.open{ display:block; }
.mobile-scroll{ display:flex; gap:8px; overflow-x:auto; padding:0 16px 4px; -webkit-overflow-scrolling:touch; }
.mobile-scroll::-webkit-scrollbar{ height:0; }
.mobile-scroll .chip{ border:1px solid var(--line); background:#fff; flex:0 0 auto; }
.mobile-scroll .chip.active{ background:var(--kai-600); color:#fff; border-color:var(--kai-600); }

@media(max-width:900px){
  .nav-wrap{ display:none; }
  .menu-toggle{ display:inline-flex; }
  .header-cta .btn-primary{ display:none; }
}

/* ---------- hero ---------- */
.page-hero{
  position:relative; overflow:hidden; color:#fff;
  background-image:
    linear-gradient(135deg, rgba(42,74,56,.94) 0%, rgba(62,107,79,.90) 42%, rgba(110,155,106,.78) 70%, rgba(217,178,106,.62) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover, cover; background-position:center, center;
}
.page-hero::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background-image:repeating-linear-gradient(90deg, rgba(255,255,255,.06) 0 1px, transparent 1px 34px);
  opacity:.5;
}
.hero-grid{ position:relative; z-index:2; display:grid; gap:32px; padding:34px 0 56px; }
@media(min-width:1024px){
  .hero-grid{ grid-template-columns:1.15fr .85fr; align-items:center; gap:48px; padding:44px 0 72px; }
}
.breadcrumb{ font-size:13px; color:rgba(255,255,255,.82); display:flex; flex-wrap:wrap; gap:6px; align-items:center; margin-bottom:18px; }
.breadcrumb a:hover{ color:#fff; text-decoration:underline; text-underline-offset:3px; }
.breadcrumb .sep{ opacity:.6; }
.breadcrumb .current{ color:#EBD9AE; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px; min-height:32px; padding:0 14px; border-radius:999px;
  background:rgba(235,217,174,.94); color:var(--kai-700); font-size:13px; font-weight:600; letter-spacing:.06em;
}
.hero-copy h1{
  font-size:clamp(30px,4.4vw,48px); margin:18px 0 14px; font-weight:700; color:#fff;
  text-shadow:0 2px 18px rgba(21,42,30,.35);
}
.hero-copy .lead{ font-size:17px; color:rgba(255,255,255,.9); max-width:32em; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:26px; }
.trust-badges{ display:flex; flex-wrap:wrap; gap:10px; margin-top:24px; }
.trust-badges li{
  padding:6px 14px; border-radius:999px; font-size:13px;
  background:rgba(235,217,174,.92); color:#2A4A38; font-weight:600;
}
.hero-figure{
  position:relative; margin:0; background:rgba(255,255,255,.1); padding:10px;
  border-radius:calc(var(--radius-card) + 6px); border:1px solid rgba(255,255,255,.28);
  box-shadow:0 26px 50px -28px rgba(0,0,0,.7);
}
.hero-figure img{ width:100%; aspect-ratio:16/11; object-fit:cover; border-radius:var(--radius-img); }
.hero-figure figcaption{
  position:absolute; left:22px; bottom:22px; right:22px;
  background:rgba(30,42,34,.72); backdrop-filter:blur(6px); color:#fff;
  border-radius:14px; padding:10px 14px; font-size:13px; line-height:1.6;
}

/* ---------- generic section ---------- */
.section{ padding:56px 0; }
@media(min-width:768px){ .section{ padding:76px 0; } }
@media(min-width:1024px){ .section{ padding:92px 0; } }
.section-alt{ background:var(--washi-alt); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-head{ max-width:44em; margin-bottom:32px; }
.section-head h2{ font-size:clamp(24px,3vw,34px); position:relative; padding-left:16px; }
.section-head h2::before{
  content:""; position:absolute; left:0; top:.22em; width:3px; height:18px; border-radius:3px; background:var(--kai-600);
}
.section-head p{ margin-top:12px; color:var(--ink-soft); font-size:16px; }

/* ---------- checklist layout ---------- */
.layout-aside{ display:grid; gap:28px; }
@media(min-width:1024px){ .layout-aside{ grid-template-columns:minmax(0,1.62fr) minmax(280px,.9fr); gap:36px; align-items:start; } }
.checklist{ display:flex; flex-direction:column; gap:22px; }
.check-row{
  display:grid; gap:18px; padding:20px; background:#fff; border:1px solid var(--line);
  border-radius:var(--radius-card); box-shadow:var(--shadow-card);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.check-row:hover{ transform:translateY(-4px); box-shadow:var(--shadow-lift); border-color:rgba(62,107,79,.3); }
@media(min-width:768px){
  .check-row{ grid-template-columns:minmax(0,1.02fr) minmax(0,1fr); align-items:center; gap:24px; padding:24px; }
  .check-row.reverse .check-media{ order:2; }
}
.check-media img{ width:100%; aspect-ratio:16/10; object-fit:cover; border-radius:var(--radius-img); }
.check-body h3{ font-size:19px; display:flex; align-items:baseline; gap:10px; }
.step-no{
  font-family:"Noto Serif SC","Songti SC",serif; font-size:13px; font-weight:700;
  color:var(--kai-600); background:#E7F0E7; border-radius:8px; padding:2px 9px; letter-spacing:.06em;
}
.check-body p{ margin-top:10px; color:var(--ink-soft); font-size:15.5px; }
.dot-list{ margin-top:12px; display:flex; flex-direction:column; gap:7px; }
.dot-list li{ position:relative; padding-left:18px; font-size:14.5px; color:var(--ink); }
.dot-list li::before{
  content:""; position:absolute; left:2px; top:.72em; width:6px; height:6px; border-radius:2px;
  background:var(--straw); transform:rotate(45deg);
}

/* ---------- side panel ---------- */
.side-panel{ position:relative; }
@media(min-width:1024px){ .side-panel{ position:sticky; top:96px; } }
.side-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-card);
  padding:24px; box-shadow:var(--shadow-card); overflow:hidden; position:relative;
}
.side-card::before{ content:""; position:absolute; inset:0 0 auto 0; height:4px; background:var(--grad-brand); }
.side-card h3{ font-size:19px; margin-top:6px; }
.stat-badges{ display:flex; flex-direction:column; gap:10px; margin:18px 0; }
.stat-badge{
  display:flex; align-items:baseline; gap:8px; padding:12px 14px; border-radius:var(--radius-soft);
  background:#E7F0E7; color:var(--kai-700);
}
.stat-badge .v{ font-size:26px; font-weight:700; font-variant-numeric:tabular-nums; line-height:1; }
.stat-badge .u{ font-size:13px; color:var(--ink-soft); }
.stat-badge.straw{ background:#F5EBD3; color:#6B5320; }
.stat-badge.clay-b{ background:#F7E9E1; color:var(--clay); }
.key-points{ display:flex; flex-direction:column; gap:12px; margin-bottom:20px; }
.key-points li{ display:flex; gap:10px; font-size:14.5px; color:var(--ink-soft); }
.key-points .ic{
  flex:0 0 auto; width:22px; height:22px; border-radius:7px; display:grid; place-items:center;
  background:rgba(62,107,79,.12); color:var(--kai-700); font-size:12px; font-weight:700; margin-top:3px;
}
.side-note{ margin-top:14px; font-size:13px; color:var(--ink-soft); text-align:center; }

/* ---------- scene chips ---------- */
.scene-grid{ display:grid; gap:14px; grid-template-columns:repeat(2,minmax(0,1fr)); }
@media(min-width:768px){ .scene-grid{ grid-template-columns:repeat(3,minmax(0,1fr)); } }
@media(min-width:1024px){ .scene-grid{ grid-template-columns:repeat(4,minmax(0,1fr)); } }
.scene-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-soft);
  padding:16px 18px; transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.scene-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-lift); border-color:rgba(62,107,79,.28); background:#fff; }
.scene-card strong{ display:block; font-size:16px; }
.scene-card p{ margin-top:6px; font-size:13.5px; color:var(--ink-soft); line-height:1.7; }

/* ---------- CTA band ---------- */
.cta-band{
  border-radius:var(--radius-card); padding:32px 26px; color:#fff; position:relative; overflow:hidden;
  background:linear-gradient(135deg,#3E6B4F 0%,#6E9B6A 58%,#D9B26A 100%);
  box-shadow:0 24px 48px -30px rgba(42,74,56,.85);
}
.cta-band::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background-image:repeating-linear-gradient(90deg, rgba(255,255,255,.07) 0 1px, transparent 1px 30px);
}
.cta-inner{ position:relative; z-index:2; display:grid; gap:22px; }
@media(min-width:900px){ .cta-inner{ grid-template-columns:1.35fr .95fr; align-items:center; gap:32px; } }
.cta-band h2{ font-size:clamp(22px,2.6vw,30px); color:#fff; }
.cta-band p{ margin-top:12px; color:rgba(255,255,255,.9); font-size:15.5px; max-width:36em; }
.cta-actions{ display:flex; flex-wrap:wrap; gap:12px; }
.cta-meta{ display:flex; flex-wrap:wrap; gap:10px; margin-top:16px; }
.cta-meta li{
  font-size:13px; padding:5px 12px; border-radius:999px;
  background:rgba(255,255,255,.16); border:1px solid rgba(255,255,255,.28);
}
.cta-phone{
  background:rgba(30,42,34,.28); border:1px solid rgba(255,255,255,.3); border-radius:var(--radius-soft);
  padding:18px 20px;
}
.cta-phone span{ font-size:13px; color:rgba(255,255,255,.82); }
.cta-phone strong{ display:block; font-size:26px; font-variant-numeric:tabular-nums; letter-spacing:.02em; margin-top:4px; }

/* ---------- FAQ ---------- */
.faq-list{ display:flex; flex-direction:column; gap:12px; max-width:900px; }
.faq-item{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-soft); overflow:hidden;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{ background:#F1F7F1; border-color:rgba(62,107,79,.3); box-shadow:var(--shadow-card); }
.faq-q{
  width:100%; display:flex; align-items:center; gap:14px; padding:18px 20px; min-height:44px;
  background:transparent; border:0; text-align:left; cursor:pointer; font-size:16.5px; font-weight:600;
  font-family:"Noto Serif SC","Songti SC",serif;
}
.faq-num{
  flex:0 0 auto; width:30px; height:30px; border-radius:9px; display:grid; place-items:center;
  background:#E7F0E7; color:var(--kai-700); font-size:13px; font-weight:700; font-variant-numeric:tabular-nums;
}
.faq-text{ flex:1 1 auto; }
.faq-icon{
  flex:0 0 auto; width:26px; height:26px; border-radius:999px; display:grid; place-items:center;
  border:1px solid rgba(62,107,79,.35); color:var(--kai-700); font-size:15px; line-height:1;
  transition:transform .24s ease,background .24s ease,color .24s ease;
}
.faq-item.open .faq-icon{ transform:rotate(45deg); background:var(--kai-600); color:#fff; border-color:var(--kai-600); }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .24s ease; }
.faq-a-inner{ padding:0 20px 20px 64px; color:var(--ink-soft); font-size:15.5px; }

/* ---------- footer ---------- */
.site-footer{ background:#1E2A22; color:rgba(250,247,241,.82); margin-top:0; }
.foot-grid{ display:grid; gap:30px; padding:52px 0 34px; }
@media(min-width:768px){ .foot-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media(min-width:1024px){ .foot-grid{ grid-template-columns:1.5fr 1fr 1.15fr 1.15fr; gap:36px; } }
.foot-logo{ display:flex; align-items:center; gap:10px; margin-bottom:14px; }
.foot-logo strong{ font-family:"Noto Serif SC","Songti SC",serif; font-size:17px; color:#fff; display:block; }
.foot-logo small{ font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:rgba(250,247,241,.6); }
.site-footer p{ font-size:14px; line-height:1.85; color:rgba(250,247,241,.72); }
.foot-chips{ display:flex; flex-wrap:wrap; gap:8px; margin-top:16px; }
.foot-chips span{
  font-size:12.5px; padding:4px 12px; border-radius:999px;
  background:rgba(157,191,160,.16); border:1px solid rgba(157,191,160,.3); color:#CDE0CE;
}
.site-footer h4{ font-size:15px; color:#fff; margin-bottom:14px; letter-spacing:.04em; }
.site-footer ul li{ font-size:14px; margin-bottom:10px; color:rgba(250,247,241,.72); }
.site-footer ul li a{ transition:color .2s ease; }
.site-footer ul li a:hover{ color:var(--straw-light); text-decoration:underline; text-underline-offset:3px; }
.foot-bottom{
  border-top:1px solid rgba(250,247,241,.14); padding:18px 0 26px; display:flex; flex-wrap:wrap; gap:10px;
  justify-content:space-between; font-size:12.5px; color:rgba(250,247,241,.6);
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{ animation-duration:.001ms !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

/* roulang page: category2 */
:root{
    --kai-600:#3E6B4F; --kai-700:#2A4A38; --kai-500:#5C8663; --kai-300:#9DBFA0;
    --straw:#D9B26A; --straw-light:#EBD9AE;
    --clay:#C2703E;
    --washi:#FAF7F1; --washi-soft:#F2EDE3;
    --ink:#23261F; --ink-soft:#5C6157; --ink-mute:#8A8F85;
    --line:#E2DACB;
    --radius-lg:22px; --radius-md:14px; --radius-sm:12px;
    --shadow-card:0 1px 2px rgba(35,38,31,.05), 0 12px 28px -14px rgba(62,107,79,.20);
    --shadow-hover:0 2px 0 var(--kai-600), 0 22px 40px -22px rgba(42,74,56,.42);
    --grad-brand:linear-gradient(135deg,#3E6B4F 0%,#6E9B6A 55%,#D9B26A 100%);
    --font-serif:"Noto Serif SC","Songti SC",STSong,serif;
    --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    margin:0;background:var(--washi);color:var(--ink);
    font-family:var(--font-sans);font-size:16.5px;line-height:1.8;
    font-variant-numeric:tabular-nums;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease}
  a:hover{color:var(--kai-700)}
  h1,h2,h3,h4{font-family:var(--font-serif);line-height:1.32;margin:0;font-weight:700;letter-spacing:.01em}
  h1{font-size:clamp(30px,4.4vw,48px)}
  h2{font-size:clamp(24px,3vw,34px)}
  h3{font-size:19px}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  button,input,select,textarea{font:inherit;color:inherit}
  button{cursor:pointer;background:none;border:none}
  :focus-visible{outline:2px solid var(--kai-600);outline-offset:2px;border-radius:6px}

  .container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
  @media(min-width:768px){.container{padding-left:24px;padding-right:24px}}
  @media(min-width:1024px){.container{padding-left:32px;padding-right:32px}}

  .section{padding-top:56px;padding-bottom:56px}
  .section-alt{background:var(--washi-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  @media(min-width:768px){.section{padding-top:80px;padding-bottom:80px}}
  @media(min-width:1024px){.section{padding-top:96px;padding-bottom:96px}}

  .sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
  .sec-title{position:relative;padding-left:14px}
  .sec-title::before{content:"";position:absolute;left:0;top:.35em;width:3px;height:18px;background:var(--kai-600);border-radius:2px}
  .sec-desc{margin-top:10px;padding-left:14px;color:var(--ink-soft);font-size:15px;max-width:62ch}
  .more-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--kai-600);min-height:44px}

  /* ---------- header ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:rgba(250,247,241,.94);border-bottom:1px solid var(--line);transition:background .22s ease,box-shadow .22s ease}
  .site-header.scrolled{background:rgba(250,247,241,.84);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 10px 24px -20px rgba(35,38,31,.5)}
  .header-inner{display:flex;align-items:center;gap:16px;min-height:70px}
  .brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
  .logo-mark{width:38px;height:38px;border-radius:11px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px -8px rgba(62,107,79,.7)}
  .logo-mark svg{width:22px;height:22px}
  .brand-text{display:flex;flex-direction:column;line-height:1.15}
  .brand-text strong{font-family:var(--font-serif);font-size:18px;color:var(--kai-700);letter-spacing:.02em}
  .brand-text small{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-mute)}

  .nav-wrap{flex:1 1 auto;display:flex;justify-content:center}
  .chip-group{display:flex;align-items:center;gap:6px;padding:5px;background:var(--washi-soft);border:1px solid var(--line);border-radius:999px}
  .chip{display:inline-flex;align-items:center;padding:8px 17px;border-radius:999px;font-size:14px;color:var(--ink-soft);white-space:nowrap;transition:background .2s ease,color .2s ease,box-shadow .2s ease}
  .chip:hover{background:rgba(62,107,79,.09);color:var(--kai-700)}
  .chip.active{background:#fff;color:var(--kai-700);font-weight:600;box-shadow:0 1px 2px rgba(35,38,31,.06),0 10px 20px -12px rgba(62,107,79,.45)}

  .header-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .menu-toggle{display:none;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px}
  .menu-toggle span{display:block;width:18px;height:2px;background:var(--kai-700);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
  .menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  .mobile-panel{display:none;border-top:1px solid var(--line);background:rgba(250,247,241,.98);padding:14px 0 18px}
  .mobile-panel.open{display:block}
  .mobile-panel .chip-group{overflow-x:auto;justify-content:flex-start;padding:5px}
  .mobile-panel .chip-group::-webkit-scrollbar{display:none}

  @media(max-width:768px){
    .nav-wrap{display:none}
    .menu-toggle{display:inline-flex}
    .header-cta .btn{display:none}
  }

  /* ---------- buttons ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease}
  .btn-primary{background:linear-gradient(135deg,var(--kai-600),var(--kai-500));color:#fff;box-shadow:0 1px 2px rgba(35,38,31,.06),0 14px 26px -14px rgba(62,107,79,.55)}
  .btn-primary:hover{background:linear-gradient(135deg,var(--kai-700),var(--kai-600));color:#fff;transform:translateY(-2px);box-shadow:0 2px 0 var(--kai-700),0 20px 34px -16px rgba(42,74,56,.55)}
  .btn-primary:active{transform:translateY(0);box-shadow:0 1px 2px rgba(35,38,31,.1)}
  .btn-ghost{background:#fff;color:var(--kai-700);border-color:var(--line)}
  .btn-ghost:hover{background:rgba(62,107,79,.08);border-color:var(--kai-300);color:var(--kai-700)}
  .btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.52)}
  .btn-light:hover{background:rgba(255,255,255,.26);color:#fff;transform:translateY(-2px)}
  .btn-sm{min-height:42px;padding:0 18px;font-size:14px}

  /* ---------- breadcrumb ---------- */
  .crumb-bar{padding-top:16px;padding-bottom:16px;border-bottom:1px solid var(--line);background:#fff}
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft);overflow:hidden;white-space:nowrap}
  .crumb a{color:var(--ink-soft)}
  .crumb a:hover{color:var(--kai-600)}
  .crumb .sep{color:var(--ink-mute)}
  .crumb .now{color:var(--kai-700);font-weight:600}

  /* ---------- hero ---------- */
  .page-hero{position:relative;overflow:hidden;color:#fff;
    background-image:linear-gradient(135deg,rgba(42,74,56,.93) 0%,rgba(62,107,79,.88) 46%,rgba(110,155,106,.80) 72%,rgba(217,178,106,.82) 100%),url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;background-repeat:no-repeat}
  .page-hero::after{content:"";position:absolute;inset:0;pointer-events:none;
    background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 46px);opacity:.55}
  .hero-inner{position:relative;z-index:2;padding-top:52px;padding-bottom:56px}
  @media(min-width:1024px){.hero-inner{padding-top:76px;padding-bottom:80px}}
  .hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.1em;color:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.36);border-radius:999px;padding:6px 14px;background:rgba(255,255,255,.10)}
  .page-hero h1{margin-top:18px;color:#fff;max-width:20ch}
  .hero-lead{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.9);max-width:56ch}
  .hero-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px}
  .hero-chips{margin-top:30px;display:flex;flex-wrap:wrap;gap:9px}
  .filter-chip{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:999px;font-size:14px;color:rgba(255,255,255,.92);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.32);transition:background .2s ease,color .2s ease,border-color .2s ease}
  .filter-chip:hover{background:rgba(255,255,255,.24);color:#fff}
  .filter-chip.active{background:#fff;color:var(--kai-700);border-color:#fff;font-weight:600}

  /* ---------- metrics ---------- */
  .metrics{margin-top:-38px;position:relative;z-index:5}
  .metric-grid{display:grid;grid-template-columns:1fr;gap:18px}
  @media(min-width:640px){.metric-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
  .metric-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px 22px 22px;box-shadow:var(--shadow-card);overflow:hidden}
  .metric-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-brand)}
  .metric-num{font-size:clamp(30px,4vw,38px);font-weight:700;color:var(--kai-700);line-height:1.1;font-variant-numeric:tabular-nums}
  .metric-num small{font-size:14px;font-weight:600;color:var(--ink-soft);margin-left:4px}
  .metric-label{margin-top:8px;font-size:13px;color:var(--ink-soft);line-height:1.7}

  /* ---------- waterfall ---------- */
  .waterfall{display:grid;grid-template-columns:1fr;gap:22px}
  @media(min-width:768px){
    .waterfall{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
    .waterfall > .w-card:nth-child(even){margin-top:40px}
  }
  .w-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;animation:rise .24s ease-out both}
  .w-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--kai-300)}
  .w-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--washi-soft)}
  .w-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
  .w-card:hover .w-media img{transform:scale(1.04)}
  .w-tag{position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;color:var(--kai-700);background:rgba(235,217,174,.94);backdrop-filter:blur(4px)}
  .w-body{padding:20px 22px 22px}
  .w-body h3{color:var(--ink)}
  .w-body p{margin-top:10px;font-size:15px;color:var(--ink-soft);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
  .w-foot{margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
  .w-meta{font-size:13px;color:var(--ink-soft);font-variant-numeric:tabular-nums}
  .w-meta .dot{color:var(--ink-mute);margin:0 6px}
  .w-go{font-size:13px;font-weight:600;color:var(--kai-600);display:inline-flex;align-items:center;gap:5px;min-height:44px}
  .w-go i{font-style:normal;transition:transform .2s ease}
  .w-card:hover .w-go i{transform:translateX(3px)}

  /* ---------- table ---------- */
  .table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card)}
  .table-scroll{overflow-x:auto}
  table.cmp{width:100%;border-collapse:collapse;min-width:720px}
  table.cmp caption{text-align:left;padding:20px 22px 0;font-family:var(--font-serif);font-size:18px;font-weight:700;color:var(--kai-700)}
  table.cmp th,table.cmp td{padding:15px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);vertical-align:top}
  table.cmp thead th{background:var(--washi-soft);color:var(--kai-700);font-size:14px;letter-spacing:.02em;white-space:nowrap}
  table.cmp tbody tr:hover{background:#FCFAF5}
  table.cmp tbody tr:last-child td{border-bottom:none}
  table.cmp td:first-child{font-weight:600;color:var(--ink)}

  /* ---------- compare ---------- */
  .compare-grid{display:grid;grid-template-columns:1fr;gap:20px}
  @media(min-width:768px){.compare-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  .compare-card{border-radius:var(--radius-lg);padding:26px 24px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-card)}
  .compare-card.before{background:#FBF6EE}
  .compare-card.after{background:#F1F7F1;border-color:var(--kai-300)}
  .compare-head{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:18px;font-weight:700}
  .compare-card.before .compare-head{color:var(--clay)}
  .compare-card.after .compare-head{color:var(--kai-700)}
  .compare-list{margin-top:16px;display:grid;gap:12px}
  .compare-list li{position:relative;padding-left:18px;font-size:15px;color:var(--ink-soft);line-height:1.78}
  .compare-list li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--straw)}
  .compare-card.after .compare-list li::before{background:var(--kai-500)}
  .badge{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600}
  .badge-green{background:#E7F0E7;color:var(--kai-700)}
  .badge-straw{background:#F5EBD3;color:#7A5B1C}
  .badge-clay{background:#F7E7DE;color:var(--clay)}

  /* ---------- steps ---------- */
  .steps{display:grid;grid-template-columns:1fr;gap:18px}
  @media(min-width:640px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media(min-width:1024px){.steps{grid-template-columns:repeat(3,minmax(0,1fr))}}
  .step{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:22px 20px;box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
  .step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--kai-300)}
  .step-no{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--grad-brand);color:#fff;font-family:var(--font-serif);font-weight:700;font-size:15px}
  .step h3{margin-top:14px;font-size:17px}
  .step p{margin-top:8px;font-size:14.5px;color:var(--ink-soft);line-height:1.78}

  /* ---------- faq ---------- */
  .faq-list{display:grid;gap:14px;max-width:900px}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:background .22s ease,border-color .22s ease}
  .faq-item.open{background:#F1F7F1;border-color:var(--kai-300)}
  .faq-q{width:100%;display:flex;align-items:center;gap:14px;padding:18px 20px;text-align:left;min-height:56px}
  .faq-index{flex:0 0 auto;width:30px;height:30px;border-radius:9px;background:#E7F0E7;color:var(--kai-700);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
  .faq-item.open .faq-index{background:var(--kai-600);color:#fff}
  .faq-q span.qtext{flex:1 1 auto;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6}
  .faq-sign{flex:0 0 auto;position:relative;width:16px;height:16px}
  .faq-sign::before,.faq-sign::after{content:"";position:absolute;background:var(--kai-600);border-radius:2px;transition:transform .22s ease,opacity .22s ease}
  .faq-sign::before{left:0;top:7px;width:16px;height:2px}
  .faq-sign::after{left:7px;top:0;width:2px;height:16px}
  .faq-item.open .faq-sign::after{transform:scaleY(0);opacity:0}
  .faq-a{padding:0 20px 20px 64px;font-size:15px;color:var(--ink-soft);line-height:1.85}

  /* ---------- form / cta ---------- */
  .cta-panel{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-card)}
  .cta-head{position:relative;padding:28px 26px;background-image:linear-gradient(135deg,rgba(42,74,56,.94),rgba(62,107,79,.9) 55%,rgba(217,178,106,.86)),url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;color:#fff}
  .cta-head h2{color:#fff}
  .cta-head p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.9);line-height:1.8;max-width:60ch}
  .cta-body{display:grid;grid-template-columns:1fr;gap:26px;padding:26px}
  @media(min-width:960px){.cta-body{grid-template-columns:1.35fr 1fr;gap:34px;padding:30px}}
  .form-grid{display:grid;grid-template-columns:1fr;gap:16px}
  @media(min-width:640px){.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  .field{display:flex;flex-direction:column;gap:6px}
  .field.full{grid-column:1 / -1}
  .field label{font-size:13px;color:var(--ink-soft);font-weight:600}
  .field input,.field textarea{width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 14px;font-size:15px;min-height:46px;transition:border-color .2s ease,box-shadow .2s ease}
  .field textarea{min-height:96px;resize:vertical;line-height:1.7}
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--kai-600);box-shadow:0 0 0 3px rgba(62,107,79,.16)}
  .field.error input,.field.error textarea{border-color:var(--clay);box-shadow:0 0 0 3px rgba(194,112,62,.14)}
  .field .tip{font-size:12.5px;color:var(--clay);display:none}
  .field.error .tip{display:block}
  .form-actions{margin-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:14px}
  .form-note{font-size:13px;color:var(--ink-mute)}
  .trust-list{display:grid;gap:16px;align-content:start}
  .trust-item{display:flex;gap:12px;padding:16px;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--washi)}
  .trust-ico{flex:0 0 auto;width:34px;height:34px;border-radius:10px;background:#E7F0E7;display:flex;align-items:center;justify-content:center;color:var(--kai-700);font-weight:700;font-size:15px}
  .trust-item strong{display:block;font-size:15px;color:var(--ink)}
  .trust-item span.ft{display:block;margin-top:5px;font-size:13.5px;color:var(--ink-soft);line-height:1.7}

  .soft-band{background:var(--washi-soft);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}
  .soft-band p{font-size:15px;color:var(--ink-soft);max-width:62ch}
  .link-strong{color:var(--kai-600);font-weight:600;border-bottom:1px solid rgba(62,107,79,.4)}

  /* ---------- footer ---------- */
  .site-footer{background:#1E2A22;color:rgba(255,255,255,.78);padding-top:56px;margin-top:0}
  .foot-grid{display:grid;grid-template-columns:1fr;gap:34px}
  @media(min-width:768px){.foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media(min-width:1024px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:38px}}
  .foot-logo{display:flex;align-items:center;gap:11px}
  .foot-logo .logo-mark{background:var(--grad-brand)}
  .foot-logo strong{display:block;font-family:var(--font-serif);font-size:18px;color:#fff}
  .foot-logo small{display:block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.55)}
  .site-footer p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:44ch}
  .foot-chips{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
  .foot-chips span{font-size:12.5px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.82)}
  .site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
  .site-footer ul{display:grid;gap:11px}
  .site-footer li{font-size:14px;color:rgba(255,255,255,.72);line-height:1.7}
  .site-footer a{color:rgba(255,255,255,.75)}
  .site-footer a:hover{color:#fff}
  .foot-bottom{margin-top:40px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.14);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.55)}

  @keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
  @media(prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important}
    html{scroll-behavior:auto}
  }