/* roulang page: index */
:root{
  --primary:#12524B;
  --primary-dark:#0B3A36;
  --primary-light:#1E7A6F;
  --accent:#DE8B2C;
  --accent-light:#F3C77E;
  --clay:#C8562B;
  --success:#2F7D5A;
  --info:#4A6B7A;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#F1EFE8;
  --dark:#0C2B28;
  --footer-bg:#0A2320;
  --text:#16201E;
  --text-2:#4A5856;
  --text-3:#7C8A87;
  --on-dark:#CFE0DB;
  --line:#E4E0D6;
  --line-dark:rgba(255,255,255,.14);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(12,43,40,.06),0 12px 32px -18px rgba(12,43,40,.18);
  --shadow-2:0 4px 10px rgba(12,43,40,.08),0 22px 44px -20px rgba(12,43,40,.28);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.95;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background var(--ease)}
a:hover{color:var(--primary-dark)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.3;font-weight:700;letter-spacing:0}
h1{font-size:44px}
h2{font-size:32px}
h3{font-size:21px}
p{line-height:1.95}
:focus-visible{outline:2px solid var(--primary-light);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.num{font-family:"Inter","DIN Alternate",system-ui,sans-serif;font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:rgba(246,243,236,.96);backdrop-filter:blur(8px);box-shadow:0 6px 20px -14px rgba(12,43,40,.35)}
.trend-bar{height:34px;background:var(--dark);color:var(--on-dark);overflow:hidden;transition:height 200ms ease,opacity 200ms ease}
.site-header.collapsed .trend-bar{height:0;opacity:0}
.trend-inner{height:34px;display:flex;align-items:center;gap:18px;font-size:13px}
.trend-label{display:inline-flex;align-items:center;height:21px;padding:0 10px;border-radius:var(--r-pill);background:rgba(222,139,44,.18);color:var(--accent-light);letter-spacing:.08em;font-size:12px}
.trend-list{display:flex;gap:20px;flex:1;overflow:hidden;white-space:nowrap}
.trend-list a{color:var(--on-dark);font-size:13px}
.trend-list a:hover{color:#fff}
.trend-meta{color:rgba(207,224,219,.68);font-size:12px;white-space:nowrap}
.brand-bar{border-bottom:1px solid var(--line)}
.brand-inner{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo:hover{text-decoration:none}
.logo-mark{width:38px;height:38px;border-radius:11px;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;letter-spacing:.02em}
.logo-text{font-size:19px;font-weight:700;color:var(--text);letter-spacing:.02em}
.search-box{flex:1 1 380px;max-width:420px;display:flex;align-items:center;gap:8px;height:44px;padding:0 6px 0 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);transition:border-color var(--ease),box-shadow var(--ease)}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(30,122,111,.14)}
.search-box svg{flex:0 0 auto;color:var(--text-3)}
.search-box input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:15px}
.search-box input::placeholder{color:var(--text-3)}
.search-box button{flex:0 0 auto;height:34px;padding:0 18px;border:0;border-radius:var(--r-pill);background:var(--primary);color:#fff;font-size:14px;cursor:pointer;transition:background var(--ease),transform var(--ease)}
.search-box button:hover{background:var(--primary-dark);transform:translateY(-1px)}
.brand-actions{display:flex;align-items:center;gap:18px;margin-left:auto;flex:0 0 auto}
.link-quiet{font-size:14px;color:var(--text-2)}
.link-quiet:hover{color:var(--primary)}
.phone{font-size:14px;color:var(--text-2);font-variant-numeric:tabular-nums;white-space:nowrap}
.hamburger{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:var(--surface);cursor:pointer;align-items:center;justify-content:center}
.hamburger span{display:block;width:18px;height:2px;background:var(--text);position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.channel-bar{border-bottom:1px solid var(--line);background:rgba(246,243,236,.96)}
.channel-inner{display:flex;align-items:center;height:46px}
.channel-list{display:flex;gap:30px}
.channel-list a{position:relative;display:inline-block;padding:12px 0;font-size:15px;letter-spacing:.02em;color:var(--text-2)}
.channel-list a:hover{color:var(--primary);text-decoration:none}
.channel-list a.active{color:var(--primary);font-weight:700}
.channel-list a.active::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;border-radius:2px;background:var(--primary)}
.channel-more{margin-left:auto;font-size:14px;color:var(--text-3)}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(12,43,40,.5);opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:98}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;background:var(--bg);z-index:99;transform:translateX(100%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);padding:24px 22px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:var(--surface);cursor:pointer;font-size:17px;line-height:1}
.drawer h4{font-size:13px;color:var(--text-3);letter-spacing:.14em;margin:18px 0 8px}
.drawer-links li a{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-size:16px;color:var(--text)}
.drawer-links li a.active{color:var(--primary);font-weight:700}
.drawer-cta{margin-top:22px;display:flex;flex-direction:column;gap:10px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-sm);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);white-space:nowrap}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#1A1206;box-shadow:0 10px 24px -14px rgba(222,139,44,.9)}
.btn-primary:hover{background:#C87A1F;color:#1A1206}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:rgba(18,82,75,.07);color:var(--primary-dark)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-sm{height:36px;padding:0 16px;font-size:14px}

/* ---------- badges & tags ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.02em;white-space:nowrap}
.badge-accent{background:var(--accent-light);color:#7A4A0B}
.badge-primary{background:rgba(18,82,75,.1);color:var(--primary)}
.badge-dark{background:rgba(255,255,255,.12);color:var(--on-dark)}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);background:var(--surface-2);color:var(--text-2);font-size:13px;transition:background var(--ease),color var(--ease)}
.tag:hover{background:var(--primary);color:#fff;text-decoration:none}

/* ---------- hero ---------- */
.hero{position:relative;min-height:520px;display:flex;align-items:center;background-image:linear-gradient(100deg,rgba(10,35,32,.88) 0%,rgba(10,35,32,.72) 42%,rgba(10,35,32,.35) 100%),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;color:#fff}
.hero .container{position:relative;z-index:2;padding-top:76px;padding-bottom:76px}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:56px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);font-size:13px;color:var(--on-dark);letter-spacing:.06em}
.hero h1{font-size:46px;line-height:1.26;margin:20px 0 16px;color:#fff;letter-spacing:.01em}
.hero-sub{font-size:18px;line-height:1.9;color:rgba(255,255,255,.86);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:0;margin-top:42px;border-top:1px solid rgba(255,255,255,.18);padding-top:22px}
.hero-trust li{flex:1 1 140px;padding:0 22px;border-left:1px solid rgba(255,255,255,.18)}
.hero-trust li:first-child{padding-left:0;border-left:0}
.hero-trust b{display:block;font-size:26px;font-weight:900;font-variant-numeric:tabular-nums;color:#fff;line-height:1.5}
.hero-trust span{font-size:13px;color:rgba(207,224,219,.82);letter-spacing:.02em}
.hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-lg);padding:14px;backdrop-filter:blur(4px)}
.hero-card img{border-radius:var(--r-md);width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-card figcaption{font-size:13px;color:rgba(207,224,219,.86);padding:12px 4px 2px;line-height:1.7}

/* ---------- sections ---------- */
.section{padding:104px 0}
.section-alt{background:var(--surface-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{margin-bottom:0}
.section-head .sub{margin-top:10px;font-size:15px;color:var(--text-2);max-width:620px}
.section-head .aside a{font-size:14px;color:var(--primary);white-space:nowrap}

/* ---------- service grid ---------- */
.service-grid{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:start}
.service-main{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);transition:box-shadow var(--ease),transform var(--ease)}
.service-main:hover{box-shadow:var(--shadow-2);transform:translateY(-4px)}
.service-main img{width:100%;aspect-ratio:16/10;object-fit:cover;border-bottom:1px solid var(--line)}
.service-main .body{padding:26px 26px 30px}
.service-main .idx{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--accent);font-variant-numeric:tabular-nums}
.service-main h3{margin:10px 0 10px;font-size:24px}
.service-main p{color:var(--text-2);font-size:15px}
.service-mini{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.mini-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:26px;box-shadow:var(--shadow-1);transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease)}
.mini-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:rgba(18,82,75,.25)}
.mini-card .idx{font-size:13px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.12em}
.mini-card h3{font-size:19px;margin:12px 0 8px}
.mini-card p{font-size:15px;color:var(--text-2)}
.mini-card .arrow{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;color:var(--primary)}
.mini-card:hover .arrow svg{transform:translateX(5px)}
.arrow svg{transition:transform var(--ease)}
.service-links{display:flex;flex-wrap:wrap;gap:28px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}

/* ---------- stats ---------- */
.stats{background:var(--dark);color:#fff;padding:88px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:0 30px;border-left:1px solid var(--line-dark)}
.stat:first-child{border-left:0;padding-left:0}
.stat b{display:block;font-size:52px;font-weight:900;line-height:1.25;font-variant-numeric:tabular-nums;font-family:"Inter","DIN Alternate",system-ui,sans-serif;color:#fff}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--on-dark)}
.stat em{display:block;margin-top:6px;font-size:13px;font-style:normal;color:rgba(207,224,219,.6)}

/* ---------- cases ---------- */
.case-scroller{display:flex;gap:24px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory}
.case-scroller::-webkit-scrollbar{height:6px}
.case-scroller::-webkit-scrollbar-thumb{background:rgba(18,82,75,.3);border-radius:3px}
.case-card{flex:0 0 31%;min-width:300px;scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);transition:box-shadow var(--ease),transform var(--ease)}
.case-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px)}
.case-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.case-card .body{padding:22px}
.case-card h3{font-size:18px;margin:12px 0 8px}
.case-card p{font-size:15px;color:var(--text-2)}
.case-point{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:14px;color:var(--primary);font-weight:600}
.progress-line{height:3px;background:var(--line);border-radius:3px;overflow:hidden;margin-top:6px}
.progress-line i{display:block;width:34%;height:100%;background:var(--primary);border-radius:3px}

/* ---------- tabs ---------- */
.tabs-wrap{display:grid;grid-template-columns:280px minmax(0,1fr);gap:40px;align-items:start}
.tab-nav{display:flex;flex-direction:column;gap:6px;border-left:1px solid var(--line)}
.tab-btn{position:relative;text-align:left;padding:16px 20px;border:0;background:transparent;cursor:pointer;font-size:16px;color:var(--text-2);border-radius:0 var(--r-sm) var(--r-sm) 0;transition:background var(--ease),color var(--ease)}
.tab-btn:hover{background:var(--surface-2);color:var(--primary)}
.tab-btn[aria-selected="true"]{background:var(--surface-2);color:var(--primary);font-weight:700}
.tab-btn[aria-selected="true"]::before{content:"";position:absolute;left:-1px;top:0;bottom:0;width:3px;background:var(--primary)}
.tab-btn small{display:block;font-size:13px;font-weight:400;color:var(--text-3);margin-top:4px}
.tab-panel{display:none;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:32px;box-shadow:var(--shadow-1)}
.tab-panel.active{display:block}
.tab-panel figure{margin-top:24px}
.tab-panel img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-md);border:1px solid rgba(12,43,40,.08)}
.step-list{margin-top:18px;display:grid;gap:14px}
.step-list li{display:grid;grid-template-columns:34px minmax(0,1fr);gap:14px;align-items:start}
.step-list .step-num{width:34px;height:34px;border-radius:50%;background:rgba(18,82,75,.1);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;font-variant-numeric:tabular-nums}
.step-list b{display:block;font-size:16px}
.step-list span{font-size:15px;color:var(--text-2)}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);transition:box-shadow var(--ease),transform var(--ease)}
.news-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px)}
.news-cover{display:block}
.news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover}
.news-body{padding:22px}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3)}
.news-body h3{font-size:19px;margin:12px 0 10px}
.news-body h3 a{color:var(--text)}
.news-body h3 a:hover{color:var(--primary);text-decoration:none}
.news-body p{font-size:15px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-compact{margin-top:26px;border-top:1px solid var(--line)}
.news-compact li{border-bottom:1px solid var(--line)}
.news-compact a{display:flex;align-items:center;gap:18px;padding:16px 6px;color:var(--text);transition:background var(--ease),padding var(--ease)}
.news-compact a:hover{background:var(--surface-2);color:var(--text);padding-left:14px;text-decoration:none}
.news-compact time{flex:0 0 116px;font-size:14px;color:var(--text-3);font-variant-numeric:tabular-nums}
.news-compact .t{flex:1;font-size:16px}
.news-compact .arrow{color:var(--primary);display:inline-flex;transition:transform var(--ease)}
.news-compact a:hover .arrow{transform:translateX(6px)}
.empty-state{min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-md);color:var(--text-3)}
.empty-state svg{color:var(--text-3)}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-wrap .lead{font-size:15px;color:var(--text-2);margin-top:14px;max-width:320px}
.faq-list{max-width:820px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{position:relative;list-style:none;cursor:pointer;padding:24px 46px 24px 22px;font-size:17px;font-weight:600;transition:background var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--surface-2)}
.faq-item summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;color:var(--primary);transition:transform var(--ease)}
.faq-item[open] summary{background:var(--surface-2)}
.faq-item[open] summary::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary)}
.faq-item[open] summary::after{content:"×";transform:translateY(-50%) rotate(0deg)}
.faq-body{padding:0 46px 26px 22px;font-size:16px;color:var(--text-2)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:32px;box-shadow:var(--shadow-1)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--bg);transition:border-color var(--ease),box-shadow var(--ease),background var(--ease)}
.field textarea{height:120px;padding:12px 14px;resize:vertical;line-height:1.8}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;background:#fff;border-color:var(--primary);box-shadow:0 0 0 2px rgba(30,122,111,.18)}
.form-note{font-size:13px;color:var(--text-3);margin-top:14px}
.form-msg{display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-sm);background:rgba(47,125,90,.1);color:var(--success);font-size:14px}
.form-msg.show{display:block}
.info-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:28px;box-shadow:var(--shadow-1)}
.info-card dl{display:grid;gap:16px}
.info-card dt{font-size:13px;color:var(--text-3);letter-spacing:.06em}
.info-card dd{font-size:16px;color:var(--text);font-variant-numeric:tabular-nums}
.map-holder{margin-top:22px;aspect-ratio:16/9;border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface-2) repeating-linear-gradient(0deg,rgba(18,82,75,.06) 0 1px,transparent 1px 32px),repeating-linear-gradient(90deg,rgba(18,82,75,.06) 0 1px,transparent 1px 32px);display:flex;align-items:center;justify-content:center;color:var(--text-3);font-size:14px}

/* ---------- cta strip ---------- */
.cta-strip{background:var(--dark);color:#fff;border-radius:var(--r-lg);padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-strip h2{font-size:28px;color:#fff}
.cta-strip p{color:var(--on-dark);font-size:15px;margin-top:8px;max-width:560px}

/* ---------- footer ---------- */
.site-footer{background:var(--footer-bg);color:#A9BFBA;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-mark{background:rgba(255,255,255,.12)}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:#A9BFBA;max-width:300px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.04em}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#A9BFBA;font-size:14px}
.footer-links a:hover{color:#fff;text-decoration:none}
.footer-contact li{font-size:14px;margin-bottom:12px;font-variant-numeric:tabular-nums}
.footer-bottom{border-top:1px solid var(--line-dark);padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:13px;color:rgba(169,191,186,.75)}
.footer-bottom a{color:rgba(169,191,186,.9)}
.footer-bottom a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .service-grid{grid-template-columns:1fr 1fr}
  .case-card{flex:0 0 42%}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  h1{font-size:36px}
  .hero h1{font-size:36px}
  .trend-bar,.channel-bar{display:none}
  .hamburger{display:inline-flex}
  .brand-actions .link-quiet,.brand-actions .phone{display:none}
  .search-box{display:none}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero{min-height:460px}
  .service-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:32px 0}
  .stat{border-left:0;padding:0 20px}
  .stat:nth-child(odd){padding-left:0}
  .stat:nth-child(even){border-left:1px solid var(--line-dark)}
  .tabs-wrap{grid-template-columns:1fr}
  .tab-nav{flex-direction:row;overflow-x:auto;border-left:0;border-bottom:1px solid var(--line);gap:8px;padding-bottom:2px}
  .tab-btn{white-space:nowrap;border-radius:var(--r-sm) var(--r-sm) 0 0}
  .tab-btn[aria-selected="true"]::before{left:0;right:0;top:auto;bottom:-1px;width:auto;height:3px}
  .news-grid{grid-template-columns:1fr 1fr}
  .faq-wrap{grid-template-columns:1fr;gap:24px}
  .contact-grid{grid-template-columns:1fr}
  .cta-strip{padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:64px 0}
  .stats{padding:64px 0}
  h2{font-size:24px}
  .hero{min-height:420px}
  .hero h1{font-size:29px}
  .hero-sub{font-size:16px}
  .hero-trust li{flex:1 1 50%;padding:12px 16px 0 0;border-left:0}
  .hero-trust li:first-child{padding-top:0}
  .service-mini{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-compact time{flex:0 0 92px;font-size:13px}
  .news-compact .t{font-size:15px}
  .case-card{flex:0 0 84%;min-width:0}
  .stat b{font-size:38px}
  .form-row{grid-template-columns:1fr}
  .cta-strip{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .faq-item summary{padding:18px 40px 18px 16px;font-size:16px}
  .faq-body{padding:0 40px 20px 16px}
  .tab-panel{padding:22px}
}
@media (max-width:479px){
  .brand-inner{height:60px;gap:12px}
  .logo-text{font-size:17px}
  .hero h1{font-size:25px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .case-card{flex:0 0 90%}
  .cta-strip h2{font-size:22px}
}

/* roulang page: article */
:root{
  --primary:#12524B;
  --primary-dark:#0B3A36;
  --primary-light:#1E7A6F;
  --accent:#DE8B2C;
  --accent-light:#F3C77E;
  --clay:#C8562B;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#F1EFE8;
  --dark:#0C2B28;
  --footer-bg:#0A2320;
  --text:#16201E;
  --text-2:#4A5856;
  --text-3:#7C8A87;
  --on-dark:#CFE0DB;
  --line:#E4E0D6;
  --line-dark:rgba(255,255,255,.14);
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(12,43,40,.06), 0 12px 32px -18px rgba(12,43,40,.18);
  --shadow-hover:0 2px 6px rgba(12,43,40,.08), 0 22px 42px -22px rgba(12,43,40,.3);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
  --read:760px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--primary-light);outline-offset:2px;border-radius:4px;}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;}
.num{font-family:"Inter","DIN Alternate",system-ui,sans-serif;font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:120;transition:box-shadow .2s var(--ease);}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(12,43,40,.35);}
.trend-bar{height:34px;background:#0C2B28;color:var(--on-dark);overflow:hidden;transition:height .2s var(--ease),opacity .2s var(--ease);}
.site-header.is-scrolled .trend-bar{height:0;opacity:0;}
.trend-inner{display:flex;align-items:center;gap:16px;height:34px;font-size:13px;}
.trend-label{flex:none;padding:1px 8px;border:1px solid rgba(207,224,219,.35);border-radius:var(--radius-pill);font-size:12px;letter-spacing:.06em;}
.trend-list{display:flex;align-items:center;gap:22px;flex:1;overflow-x:auto;scrollbar-width:none;}
.trend-list::-webkit-scrollbar{display:none;}
.trend-list a{color:var(--on-dark);font-size:13px;white-space:nowrap;}
.trend-list a:hover{color:#fff;}
.trend-time{flex:none;font-size:12px;color:rgba(207,224,219,.7);}
.brand-bar{background:var(--surface);border-bottom:1px solid var(--line);transition:background .2s var(--ease);}
.site-header.is-scrolled .brand-bar{background:rgba(255,255,255,.96);backdrop-filter:blur(8px);}
.brand-inner{display:flex;align-items:center;gap:28px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo:hover{text-decoration:none;}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:var(--primary);color:#fff;font-weight:800;font-size:15px;letter-spacing:.03em;}
.logo-text{font-size:19px;font-weight:700;color:var(--text);letter-spacing:.02em;}
.search-box{flex:1;max-width:420px;display:flex;align-items:center;gap:8px;height:42px;padding:0 6px 0 14px;border:1px solid var(--line);border-radius:var(--radius-pill);background:var(--surface-2);transition:border-color .18s var(--ease),background .18s var(--ease);}
.search-box:focus-within{border-color:var(--primary);background:#fff;}
.search-box svg{flex:none;color:var(--text-3);}
.search-box input{flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--text);}
.search-box input::placeholder{color:var(--text-3);}
.search-box button{flex:none;height:32px;padding:0 16px;border-radius:var(--radius-pill);background:var(--primary);color:#fff;font-size:13px;transition:background .18s var(--ease);}
.search-box button:hover{background:var(--primary-dark);}
.brand-actions{display:flex;align-items:center;gap:18px;margin-left:auto;font-size:14px;}
.phone{color:var(--text-2);font-size:14px;}
.text-link{color:var(--text-2);font-size:14px;}
.text-link:hover{color:var(--primary);}
.menu-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--radius-btn);color:var(--primary);}
.menu-toggle:hover{background:var(--surface-2);}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;letter-spacing:.01em;transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);white-space:nowrap;}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--accent);color:#1A1206;box-shadow:0 8px 18px -10px rgba(222,139,44,.9);}
.btn-primary:hover{background:#C97A20;color:#1A1206;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{border:1px solid var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:rgba(30,122,111,.1);color:var(--primary-dark);}
.btn-ghost{border:1px solid rgba(255,255,255,.45);color:#fff;background:transparent;}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

.channel-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.site-header.is-scrolled .channel-bar{background:rgba(255,255,255,.96);backdrop-filter:blur(8px);}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:46px;}
.channel-list{display:flex;align-items:center;gap:30px;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{position:relative;display:inline-block;font-size:15px;color:var(--text-2);letter-spacing:.02em;white-space:nowrap;padding:12px 0;}
.channel-list a:hover{color:var(--primary);text-decoration:none;}
.channel-list a.active{color:var(--primary);font-weight:700;}
.channel-list a.active::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;background:var(--primary);border-radius:2px;}
.channel-more{font-size:13px;color:var(--text-3);flex:none;}

.drawer-mask{position:fixed;inset:0;background:rgba(12,43,40,.5);opacity:0;pointer-events:none;transition:opacity .2s var(--ease);z-index:130;}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer{position:fixed;top:0;right:0;width:84vw;max-width:360px;height:100%;background:var(--surface);z-index:140;transform:translateX(102%);transition:transform .26s var(--ease);padding:24px 22px;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer h4{font-size:13px;color:var(--text-3);letter-spacing:.1em;margin:20px 0 10px;}
.drawer h4:first-child{margin-top:0;}
.drawer ul li a{display:block;padding:11px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--text);}
.drawer ul li a:hover{color:var(--primary);text-decoration:none;}
.drawer .btn{margin-top:22px;}

/* ---------- article head ---------- */
.crumbs{padding:22px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:var(--line);}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--primary);}
.crumbs .current{color:var(--text-2);}

.article-head{background:var(--surface);border-bottom:1px solid var(--line);padding:26px 0 40px;}
.article-head .head-inner{max-width:var(--read);}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--radius-pill);font-size:12px;font-weight:600;letter-spacing:.02em;background:var(--accent-light);color:#7A4B08;}
.badge-soft{background:rgba(18,82,75,.1);color:var(--primary);}
.article-head h1{font-size:34px;line-height:1.35;font-weight:800;letter-spacing:-.01em;margin:16px 0 18px;max-width:var(--read);}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--text-3);}
.meta-line .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}

/* ---------- layout ---------- */
.article-wrap{padding:52px 0 0;}
.article-layout{display:grid;grid-template-columns:var(--read) 240px;gap:64px;justify-content:center;align-items:start;}

.article-body{font-size:17px;line-height:2.0;letter-spacing:.01em;color:var(--text);}
.article-body p{margin:0 0 1.2em;}
.article-body h2{position:relative;font-size:24px;line-height:1.4;font-weight:700;margin:40px 0 16px;padding-left:14px;}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--primary);}
.article-body h3{font-size:20px;line-height:1.5;font-weight:700;margin:32px 0 12px;}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-body ul li{list-style:disc;margin-bottom:.6em;}
.article-body ol li{list-style:decimal;margin-bottom:.6em;}
.article-body blockquote{margin:24px 0;padding:20px 22px;background:#F6F3EC;border-left:3px solid var(--accent);border-radius:0 var(--radius-card) var(--radius-card) 0;color:var(--text-2);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);border:1px solid rgba(12,43,40,.08);margin:24px 0;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;display:block;overflow-x:auto;white-space:nowrap;}
.article-body th{background:#EFEDE4;color:var(--primary-dark);font-weight:700;text-align:left;padding:12px 14px;border:1px solid var(--line);}
.article-body td{padding:12px 14px;border:1px solid var(--line);vertical-align:top;white-space:normal;}
.article-body a{border-bottom:2px solid rgba(18,82,75,.25);}
.article-body a:hover{border-bottom-color:var(--primary-dark);text-decoration:none;}
.article-body code{background:var(--surface-2);padding:2px 6px;border-radius:6px;font-size:15px;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

.empty-state{padding:64px 24px;text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);}
.empty-state svg{color:var(--text-3);margin:0 auto 16px;}
.empty-state p{color:var(--text-2);margin-bottom:20px;}

.article-toc{position:sticky;top:120px;font-size:14px;}
.article-toc .toc-title{font-size:13px;letter-spacing:.1em;color:var(--text-3);padding-bottom:12px;border-bottom:1px solid var(--line);}
.toc-list{margin-top:12px;border-left:1px solid var(--line);}
.toc-list li a{display:block;padding:8px 0 8px 14px;margin-left:-1px;border-left:2px solid transparent;color:var(--text-2);font-size:14px;line-height:1.6;}
.toc-list li a:hover{color:var(--primary);text-decoration:none;background:var(--surface-2);}
.toc-list li a.current{color:var(--primary);font-weight:700;border-left-color:var(--primary);}

.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--line);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row .label{font-size:13px;color:var(--text-3);}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--radius-pill);background:var(--surface-2);color:var(--text-2);font-size:13px;transition:background .18s var(--ease),color .18s var(--ease);}
.tag:hover{background:var(--primary);color:#fff;text-decoration:none;}
.back-link{display:inline-flex;align-items:center;gap:8px;margin-top:26px;font-size:15px;font-weight:600;color:var(--primary);}
.back-link svg{transition:transform .18s var(--ease);}
.back-link:hover svg{transform:translateX(-5px);}

/* ---------- related ---------- */
.section{padding:96px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:30px;line-height:1.3;font-weight:800;letter-spacing:-.01em;}
.section-head p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:620px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;transition:transform .2s var(--ease),box-shadow .2s var(--ease);}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .thumb img{transform:scale(1.04);}
.card .body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card h3{font-size:18px;line-height:1.5;font-weight:700;}
.card h3 a{color:var(--text);}
.card h3 a:hover{color:var(--primary);text-decoration:none;}
.card p{font-size:14px;color:var(--text-2);line-height:1.8;}
.card .more{margin-top:auto;font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.card .more svg{transition:transform .18s var(--ease);}
.card:hover .more svg{transform:translateX(5px);}

/* ---------- cta ---------- */
.cta-band{background:var(--dark);color:var(--on-dark);border-radius:20px;padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:36px;}
.cta-band h2{font-size:28px;line-height:1.4;color:#fff;font-weight:800;}
.cta-band p{margin-top:12px;font-size:15px;color:var(--on-dark);max-width:620px;}
.cta-actions{display:flex;gap:14px;flex:none;}

/* ---------- footer ---------- */
.site-footer{background:var(--footer-bg);color:#A9BFBA;padding:72px 0 28px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer .logo-text{color:#fff;}
.site-footer .logo-mark{background:var(--primary-light);}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:#A9BFBA;max-width:340px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em;}
.footer-links li+li,.footer-contact li+li{margin-top:10px;}
.footer-links a{color:#A9BFBA;font-size:14px;}
.footer-links a:hover{color:#fff;text-decoration:none;}
.footer-contact li{font-size:14px;color:#A9BFBA;}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--line-dark);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(169,191,186,.85);}
.footer-bottom a{color:rgba(169,191,186,.85);}
.footer-bottom a:hover{color:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,var(--read));gap:0;}
  .article-toc{display:none;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .brand-inner{gap:18px;}
  .search-box{max-width:300px;}
  .brand-actions .text-link,.brand-actions .phone{display:none;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px;}
  .section{padding:72px 0;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .trend-time{display:none;}
  .search-box{display:none;}
  .menu-toggle{display:inline-flex;}
  .brand-actions .btn{display:none;}
  .channel-bar{display:none;}
  .article-head h1{font-size:26px;}
  .article-body{font-size:16px;line-height:1.95;}
  .article-body h2{font-size:20px;margin-top:32px;}
  .article-body h3{font-size:18px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:24px;}
  .grid-3{grid-template-columns:1fr;}
  .cta-band{border-radius:16px;padding:32px 24px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{flex-direction:column;width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:519px){
  .article-head{padding:20px 0 28px;}
  .article-head h1{font-size:23px;}
  .meta-line{font-size:13px;}
  .trend-list{gap:16px;}
}

/* roulang page: category2 */
:root{
  --primary:#12524B;
  --primary-dark:#0B3A36;
  --primary-light:#1E7A6F;
  --amber:#DE8B2C;
  --amber-light:#F3C77E;
  --clay:#C8562B;
  --ink:#16201E;
  --ink-2:#4A5856;
  --ink-3:#7C8A87;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#F1EFE8;
  --dark:#0C2B28;
  --footer-bg:#0A2320;
  --line:#E4E0D6;
  --line-dark:rgba(255,255,255,.14);
  --radius:14px;
  --radius-lg:20px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(12,43,40,.06),0 12px 32px -18px rgba(12,43,40,.18);
  --shadow-lg:0 2px 4px rgba(12,43,40,.08),0 24px 48px -22px rgba(12,43,40,.28);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter","DIN Alternate",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.95;
  color:var(--ink);
  background:var(--bg);
  letter-spacing:.01em;
  text-align:left;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease);}
a:hover{color:var(--primary-dark);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:-.01em;}
p{margin:0 0 1.15em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--primary-light);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.narrow{max-width:760px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;}
.trend-bar{
  background:var(--dark);
  height:34px;
  overflow:hidden;
  transition:height var(--ease);
}
body.scrolled .trend-bar{height:0;}
.trend-inner{
  display:flex;
  align-items:center;
  gap:16px;
  height:34px;
  font-size:13px;
  color:#CFE0DB;
}
.trend-label{
  flex:0 0 auto;
  padding:1px 8px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  color:#fff;
  font-size:12px;
  letter-spacing:.06em;
}
.trend-list{display:flex;align-items:center;gap:20px;overflow:hidden;white-space:nowrap;}
.trend-list a{color:#CFE0DB;font-size:13px;}
.trend-list a:hover{color:#fff;text-decoration:none;}
.trend-time{margin-left:auto;flex:0 0 auto;font-size:12px;color:#8FA9A3;}
.brand-bar{
  background:rgba(246,243,236,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
body.scrolled .brand-bar{box-shadow:0 6px 20px -14px rgba(12,43,40,.35);}
.brand-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:68px;
}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);}
.logo:hover{text-decoration:none;color:var(--primary);}
.logo-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:10px;
  background:var(--primary);
  color:#fff;
  font-family:var(--font-num);
  font-size:14px;
  font-weight:800;
  letter-spacing:.02em;
}
.logo-text{font-size:19px;letter-spacing:.02em;}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 auto;
  max-width:400px;
  height:42px;
  padding:0 6px 0 14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-box:focus-within{border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(30,122,111,.16);}
.search-box svg{flex:0 0 auto;width:16px;height:16px;stroke:var(--ink-3);}
.search-box input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  outline:0;
  background:transparent;
  font-size:14px;
  height:100%;
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box button{
  flex:0 0 auto;
  height:32px;
  padding:0 16px;
  border:0;
  border-radius:999px;
  background:var(--primary);
  color:#fff;
  font-size:13px;
  transition:background var(--ease);
}
.search-box button:hover{background:var(--primary-dark);}
.brand-actions{display:flex;align-items:center;gap:18px;margin-left:auto;}
.phone{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:14px;font-weight:700;color:var(--ink);}
.menu-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--surface);
  padding:0;
  place-items:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

.channel-bar{background:rgba(246,243,236,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;gap:20px;height:46px;}
.channel-list{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{
  position:relative;
  display:inline-block;
  padding:12px 0;
  font-size:15px;
  letter-spacing:.02em;
  color:var(--ink-2);
  white-space:nowrap;
}
.channel-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.channel-list a:hover{color:var(--primary-dark);text-decoration:none;}
.channel-list a:hover::after,.channel-list a.active::after{transform:scaleX(1);}
.channel-list a.active{color:var(--primary-dark);font-weight:700;}
.channel-more{margin-left:auto;font-size:13px;color:var(--ink-3);}

/* ============ 按钮与通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15px;font-weight:700;
  text-decoration:none;
  transition:transform var(--ease),background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--amber);color:#1A1206;box-shadow:0 10px 24px -14px rgba(222,139,44,.9);}
.btn-primary:hover{background:#C97A1F;color:#1A1206;}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:rgba(18,82,75,.08);color:var(--primary-dark);}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn[disabled]{opacity:.45;pointer-events:none;}
.badge{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  background:var(--amber-light);color:#7A4611;
}
.badge-soft{background:rgba(18,82,75,.1);color:var(--primary);}
.section{padding:96px 0;}
.section-alt{background:var(--surface-2);}
.section-dark{background:var(--dark);color:#CFE0DB;}
.section-head{margin-bottom:40px;max-width:720px;}
.section-head h2{font-size:32px;}
.section-head p{margin:14px 0 0;color:var(--ink-2);font-size:16px;line-height:1.9;}
.section-dark .section-head p{color:#A9BFBA;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--primary);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--amber);border-radius:2px;}
.section-dark .eyebrow{color:var(--amber-light);}

/* ============ 分类头（窄条） ============ */
.category-hero{
  position:relative;
  min-height:210px;
  display:flex;
  align-items:center;
  background-image:linear-gradient(90deg,rgba(10,35,32,.86) 0%,rgba(10,35,32,.62) 58%,rgba(10,35,32,.42) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  color:#fff;
}
.category-hero .container{position:relative;z-index:1;padding-top:38px;padding-bottom:38px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#A9BFBA;margin-bottom:14px;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumbs li::after{content:"/";margin-left:8px;color:rgba(255,255,255,.35);}
.crumbs li:last-child::after{content:"";margin:0;}
.crumbs a{color:#CFE0DB;}
.crumbs a:hover{color:#fff;text-decoration:none;}
.crumbs [aria-current="page"]{color:#fff;}
.category-hero h1{font-size:40px;letter-spacing:-.02em;}
.category-hero .lede{margin:14px 0 0;max-width:640px;font-size:16px;line-height:1.85;color:#CFE0DB;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:14px 34px;
  margin-top:26px;
  padding-top:20px;
  border-top:1px solid var(--line-dark);
}
.hero-meta div{min-width:130px;}
.hero-meta b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:22px;font-weight:800;color:#fff;}
.hero-meta span{font-size:13px;color:#A9BFBA;}

/* ============ 三张横向卡片（中间错位） ============ */
.card-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.info-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.info-card:nth-child(2){margin-top:-16px;}
.info-card figure{margin:0;overflow:hidden;}
.info-card img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;
  border-bottom:1px solid rgba(12,43,40,.08);
  background:var(--surface-2);
}
.info-card .card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.info-card h3{font-size:20px;}
.info-card p{margin:0;color:var(--ink-2);font-size:15px;line-height:1.85;}
.card-link{
  margin-top:auto;
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--primary);
}
.card-link svg{width:14px;height:14px;transition:transform var(--ease);}
.info-card:hover .card-link svg{transform:translateX(6px);}
.card-link:hover{text-decoration:none;color:var(--primary-dark);}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:8px;padding-left:34px;max-width:820px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--primary) 0%,rgba(18,82,75,.15) 100%);
}
.timeline-item{position:relative;padding:0 0 34px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-34px;top:8px;
  width:16px;height:16px;border-radius:50%;
  background:var(--surface);border:3px solid var(--primary);
}
.timeline-item .step{
  display:inline-block;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:800;letter-spacing:.1em;
  color:var(--clay);margin-bottom:6px;
}
.timeline-item h3{font-size:20px;margin-bottom:8px;}
.timeline-item p{margin:0;color:var(--ink-2);font-size:15.5px;line-height:1.9;max-width:680px;}

/* ============ 表格 ============ */
.table-wrap{
  overflow-x:auto;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
}
table{width:100%;border-collapse:collapse;min-width:660px;font-size:15px;}
caption{
  caption-side:top;text-align:left;
  padding:20px 24px 4px;
  font-weight:800;font-size:16px;color:var(--ink);
}
th,td{padding:16px 24px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
thead th{
  background:rgba(18,82,75,.07);
  color:var(--primary-dark);
  font-size:14px;font-weight:800;letter-spacing:.03em;
  white-space:nowrap;
}
tbody tr:last-child td{border-bottom:0;}
tbody tr{transition:background var(--ease);}
tbody tr:hover{background:var(--surface-2);}
td strong{color:var(--ink);}
td .tagline{color:var(--ink-3);font-size:13px;display:block;margin-top:4px;}

/* ============ 问答双列 ============ */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.qa-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid var(--primary);
  border-radius:var(--radius);
  padding:26px 28px;
  box-shadow:var(--shadow-sm);
  transition:box-shadow var(--ease),transform var(--ease);
}
.qa-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
.qa-card h3{font-size:18px;margin-bottom:10px;}
.qa-card p{margin:0;color:var(--ink-2);font-size:15px;line-height:1.88;}

/* ============ CTA 条 ============ */
.cta-band{background:var(--dark);color:#CFE0DB;}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  padding:56px 0;
}
.cta-inner h2{font-size:28px;color:#fff;max-width:560px;}
.cta-inner p{margin:10px 0 0;font-size:15.5px;color:#A9BFBA;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer-bg);color:#A9BFBA;padding:72px 0 28px;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer .logo{color:#fff;}
.site-footer .logo:hover{color:#fff;text-decoration:none;}
.site-footer .logo-mark{background:var(--primary);}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;}
.site-footer p{margin:16px 0 0;line-height:1.9;color:#A9BFBA;}
.footer-links li,.footer-contact li{padding:7px 0;}
.footer-links a{color:#A9BFBA;}
.footer-links a:hover{color:#fff;text-decoration:none;}
.footer-contact{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:14.5px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;
  font-size:13px;color:#7E9691;
}
.footer-bottom a{color:#A9BFBA;}
.footer-bottom a:hover{color:#fff;text-decoration:none;}

/* ============ 移动端抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,43,40,.5);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
  z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;
  background:var(--bg);
  z-index:80;
  transform:translateX(100%);
  transition:transform 260ms cubic-bezier(.2,.7,.3,1);
  padding:24px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:38px;height:38px;border:1px solid var(--line);border-radius:10px;background:var(--surface);
  font-size:20px;line-height:1;color:var(--ink);
}
.drawer h4{font-size:13px;letter-spacing:.14em;color:var(--ink-3);margin:22px 0 12px;}
.drawer-list li{border-bottom:1px solid var(--line);}
.drawer-list a{display:block;padding:14px 2px;color:var(--ink);font-size:16px;}
.drawer-list a:hover{text-decoration:none;color:var(--primary);}
.drawer-tags{display:flex;flex-wrap:wrap;gap:10px;}
.drawer-tags a{
  font-size:13px;padding:6px 12px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);color:var(--ink-2);
}
.drawer-tags a:hover{text-decoration:none;border-color:var(--primary-light);color:var(--primary);}
.drawer .btn{width:100%;margin-top:24px;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1040px;}
  .category-hero h1{font-size:36px;}
}
@media (max-width:1023px){
  .search-box{max-width:280px;}
  .brand-actions .link-muted{display:none;}
  .card-row{grid-template-columns:repeat(2,1fr);}
  .info-card:nth-child(2){margin-top:0;}
  .qa-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .section{padding:72px 0;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .search-box,.brand-actions{display:none;}
  .menu-toggle{display:grid;margin-left:auto;}
  .channel-bar{display:none;}
  .trend-list li:nth-child(n+3){display:none;}
  .category-hero{min-height:180px;}
  .category-hero h1{font-size:28px;}
  .category-hero .lede{font-size:15px;}
  .hero-meta{gap:12px 22px;}
  .hero-meta b{font-size:18px;}
  .card-row{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .timeline{padding-left:28px;}
  .timeline-item::before{left:-28px;width:14px;height:14px;}
  .cta-inner{padding:48px 0;}
  .cta-inner h2{font-size:23px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:519px){
  .category-hero h1{font-size:25px;}
  .hero-meta div{min-width:104px;}
  .qa-card{padding:22px 20px;}
  th,td{padding:14px 16px;}
  caption{padding:16px 16px 2px;}
}

/* roulang page: category1 */
:root{
    --brand:#12524B;
    --brand-dark:#0B3A36;
    --brand-light:#1E7A6F;
    --amber:#DE8B2C;
    --amber-dark:#C2761F;
    --amber-light:#F3C77E;
    --clay:#C8562B;
    --success:#2F7D5A;
    --bg:#F6F3EC;
    --surface:#FFFFFF;
    --surface-2:#F1EFE8;
    --dark:#0C2B28;
    --footer-bg:#0A2320;
    --text:#16201E;
    --text-2:#4A5856;
    --text-3:#7C8A87;
    --line:#E4E0D6;
    --line-dark:rgba(255,255,255,.14);
    --on-dark:#CFE0DB;
    --r-card:14px;
    --r-img:16px;
    --r-btn:10px;
    --r-input:10px;
    --r-block:20px;
    --shadow-card:0 1px 2px rgba(12,43,40,.06), 0 12px 32px -18px rgba(12,43,40,.18);
    --shadow-card-hover:0 2px 4px rgba(12,43,40,.08), 0 22px 44px -20px rgba(12,43,40,.28);
    --ease:180ms cubic-bezier(.2,.7,.3,1);
    --container:1240px;
    --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
    --font-num:"Inter","DIN Alternate",system-ui,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:var(--font);
    font-size:17px;
    line-height:1.95;
    letter-spacing:.01em;
    color:var(--text);
    background:var(--bg);
    text-align:left;
  }
  img{max-width:100%;display:block;border:1px solid rgba(12,43,40,.08);}
  a{color:var(--brand);text-decoration:none;transition:color var(--ease),background-color var(--ease);}
  a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;}
  h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:0;}
  h1{font-size:44px;}
  h2{font-size:32px;}
  h3{font-size:21px;}
  h4{font-size:16px;}
  p{margin:0 0 1.15em;}
  ul,ol{margin:0;padding:0;list-style:none;}
  button{font-family:inherit;cursor:pointer;}
  figure{margin:0;}
  :focus-visible{outline:2px solid var(--brand-light);outline-offset:2px;border-radius:4px;}

  .container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%;}
  .section{padding:96px 0;}
  .section-head{margin-bottom:40px;}
  .section-head h2{max-width:720px;}
  .section-head .lead{margin-top:14px;color:var(--text-2);font-size:16px;max-width:640px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.16em;color:var(--amber-dark);
    font-weight:700;margin-bottom:14px;
  }
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--amber);display:block;}

  /* ---------- Header ---------- */
  .site-header{position:sticky;top:0;z-index:60;}
  .trend-bar{
    background:var(--dark);color:var(--on-dark);font-size:13px;
    height:34px;overflow:hidden;
    transition:height 200ms ease,opacity 200ms ease;
  }
  body.scrolled .trend-bar{height:0;opacity:0;}
  .trend-inner{display:flex;align-items:center;gap:20px;height:34px;white-space:nowrap;}
  .trend-tag{
    font-weight:700;color:var(--amber-light);
    border-right:1px solid var(--line-dark);padding-right:16px;
  }
  .trend-links{display:flex;gap:18px;overflow:hidden;}
  .trend-links a{color:var(--on-dark);font-size:13px;}
  .trend-links a:hover{color:#fff;text-decoration:none;}
  .trend-meta{margin-left:auto;color:#8FA8A3;font-size:12px;font-variant-numeric:tabular-nums;}

  .brand-bar{background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
  body.scrolled .brand-bar{box-shadow:0 6px 20px -14px rgba(12,43,40,.35);}
  .brand-inner{display:flex;align-items:center;gap:28px;height:68px;}
  .logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--text);}
  .logo:hover{text-decoration:none;color:var(--text);}
  .logo-mark{
    width:38px;height:38px;border-radius:10px;background:var(--brand);color:#fff;
    display:flex;align-items:center;justify-content:center;
    font-family:var(--font-num);font-size:16px;letter-spacing:.02em;font-weight:800;
  }
  .logo-text{font-size:18px;letter-spacing:.02em;}

  .search-box{
    flex:1;max-width:420px;display:flex;align-items:center;
    background:var(--surface-2);border:1px solid var(--line);border-radius:999px;
    padding:0 6px 0 16px;height:42px;
  }
  .search-box svg{flex:none;width:17px;height:17px;stroke:var(--text-3);}
  .search-box input{
    flex:1;border:0;background:transparent;height:40px;font-size:14px;color:var(--text);
    font-family:inherit;outline:none;padding:0 10px;
  }
  .search-box input::placeholder{color:var(--text-3);}
  .search-box button{
    border:0;background:var(--brand);color:#fff;border-radius:999px;
    height:32px;padding:0 16px;font-size:13px;font-weight:600;transition:background var(--ease);
  }
  .search-box button:hover{background:var(--brand-dark);}

  .brand-actions{margin-left:auto;display:flex;align-items:center;gap:18px;}
  .brand-actions .link-quiet{font-size:14px;color:var(--text-2);}
  .brand-actions .link-quiet:hover{color:var(--brand);text-decoration:none;}
  .brand-phone{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:15px;font-weight:700;color:var(--brand);}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-btn);padding:0 22px;height:46px;
    font-size:15px;font-weight:700;border:1px solid transparent;
    transition:transform var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
    white-space:nowrap;
  }
  .btn:hover{text-decoration:none;transform:translateY(-1px);}
  .btn:active{transform:translateY(1px);}
  .btn-primary{background:var(--amber);color:#1A1206;}
  .btn-primary:hover{background:var(--amber-dark);color:#1A1206;}
  .btn-outline{border-color:var(--brand);color:var(--brand);background:transparent;}
  .btn-outline:hover{background:rgba(18,82,75,.07);color:var(--brand-dark);}
  .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;background:transparent;}
  .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
  .btn-sm{height:38px;padding:0 16px;font-size:14px;}

  .channel-bar{background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
  .channel-inner{display:flex;align-items:center;height:46px;gap:16px;}
  .channel-list{display:flex;align-items:center;gap:28px;}
  .channel-list a{
    display:inline-block;line-height:46px;font-size:15px;letter-spacing:.02em;
    color:var(--text-2);position:relative;
  }
  .channel-list a:hover{color:var(--brand);text-decoration:none;}
  .channel-list a.active{color:var(--brand);font-weight:700;}
  .channel-list a.active::after{
    content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;background:var(--brand);border-radius:2px;
  }
  .channel-more{margin-left:auto;font-size:13px;color:var(--text-3);}

  .hamburger{
    display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
    background:#fff;align-items:center;justify-content:center;
  }
  .hamburger span{display:block;width:18px;height:2px;background:var(--brand);position:relative;}
  .hamburger span::before,.hamburger span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);
  }
  .hamburger span::before{top:-6px;}
  .hamburger span::after{top:6px;}

  .drawer-mask{
    position:fixed;inset:0;background:rgba(12,43,40,.5);opacity:0;visibility:hidden;
    transition:opacity var(--ease),visibility var(--ease);z-index:70;
  }
  .drawer-mask.open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;background:#fff;z-index:80;
    transform:translateX(102%);transition:transform 260ms cubic-bezier(.2,.7,.3,1);
    padding:24px 22px;overflow-y:auto;
  }
  .drawer.open{transform:translateX(0);}
  .drawer h4{color:var(--text-3);font-size:13px;letter-spacing:.14em;margin:22px 0 10px;}
  .drawer h4:first-of-type{margin-top:8px;}
  .drawer ul li a{display:block;padding:12px 0;border-bottom:1px solid var(--line);color:var(--text);font-size:15px;}
  .drawer ul li a.active{color:var(--brand);font-weight:700;}
  .drawer ul li a:hover{text-decoration:none;color:var(--brand);}
  .drawer-close{
    position:absolute;top:18px;right:18px;width:36px;height:36px;border-radius:10px;
    border:1px solid var(--line);background:#fff;font-size:18px;color:var(--text-2);line-height:1;
  }

  /* ---------- Category hero ---------- */
  .cat-hero{
    position:relative;
    background-image:linear-gradient(100deg, rgba(10,35,32,.86), rgba(10,35,32,.52)), url('/assets/images/backpic/back-1.png');
    background-size:cover,cover;
    background-position:center,center;
    color:#fff;
    min-height:340px;
    display:flex;align-items:center;
    padding:64px 0;
  }
  .cat-hero-inner{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;align-items:center;}
  .breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(207,224,219,.85);margin-bottom:18px;}
  .breadcrumb li{display:flex;align-items:center;gap:8px;}
  .breadcrumb li::after{content:"/";color:rgba(207,224,219,.45);}
  .breadcrumb li:last-child::after{content:"";}
  .breadcrumb a{color:rgba(207,224,219,.85);}
  .breadcrumb a:hover{color:#fff;text-decoration:none;}
  .breadcrumb .current{color:#fff;font-weight:600;}
  .cat-hero h1{font-size:42px;max-width:760px;color:#fff;}
  .cat-sub{margin-top:18px;font-size:17px;color:rgba(207,224,219,.95);max-width:640px;}
  .cat-hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;}
  .cat-badge{
    background:rgba(255,255,255,.08);border:1px solid var(--line-dark);border-radius:var(--r-block);
    padding:26px 24px;backdrop-filter:blur(4px);
  }
  .cat-badge .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:40px;font-weight:900;color:var(--amber-light);line-height:1;}
  .cat-badge .txt{margin-top:12px;font-size:14px;color:var(--on-dark);line-height:1.8;}

  /* ---------- Points grid ---------- */
  .point-grid{
    display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
    background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  }
  .point{background:var(--surface);padding:38px 34px;transition:background var(--ease);}
  .point:hover{background:#FCFBF7;}
  .point .no{
    font-family:var(--font-num);font-variant-numeric:tabular-nums;
    font-size:14px;font-weight:800;color:var(--amber);letter-spacing:.08em;
  }
  .point h3{margin:14px 0 10px;}
  .point p{margin:0;color:var(--text-2);font-size:15.5px;line-height:1.9;}

  /* ---------- Split sections ---------- */
  .split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
  .split.reverse .split-media{order:2;}
  .split-media{position:relative;}
  .split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--shadow-card);}
  .split-media .tag-float{
    position:absolute;left:18px;bottom:18px;background:rgba(10,35,32,.86);color:#fff;
    font-size:13px;padding:7px 14px;border-radius:999px;backdrop-filter:blur(4px);
  }
  .split-body h2{margin-bottom:16px;}
  .split-body p{color:var(--text-2);}
  .step-list{margin-top:24px;}
  .step-list li{
    display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--line);align-items:flex-start;
    transition:background var(--ease);
  }
  .step-list li:hover{background:var(--surface-2);}
  .step-list .idx{
    flex:none;width:26px;height:26px;border-radius:8px;background:rgba(18,82,75,.1);color:var(--brand);
    font-family:var(--font-num);font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;
    margin-top:5px;
  }
  .step-list .txt{font-size:15.5px;color:var(--text-2);}
  .step-list .txt b{color:var(--text);font-weight:700;}

  /* ---------- FAQ ---------- */
  .faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
  .faq-side p{color:var(--text-2);font-size:15.5px;}
  .faq-list{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);position:relative;}
  .faq-item::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background var(--ease);
  }
  .faq-item.open::before{background:var(--brand);}
  .faq-q{
    width:100%;background:transparent;border:0;text-align:left;padding:24px 52px 24px 20px;
    font-size:17px;font-weight:700;color:var(--text);position:relative;font-family:inherit;
    transition:color var(--ease);
  }
  .faq-q:hover{color:var(--brand);}
  .faq-q .ico{
    position:absolute;right:18px;top:50%;transform:translateY(-50%);
    width:24px;height:24px;border-radius:50%;border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:16px;font-weight:400;
    transition:transform var(--ease),background var(--ease),color var(--ease);
  }
  .faq-item.open .faq-q .ico{transform:translateY(-50%) rotate(45deg);background:var(--brand);color:#fff;border-color:var(--brand);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height 240ms ease;}
  .faq-a p{padding:0 52px 26px 20px;margin:0;color:var(--text-2);font-size:15.5px;line-height:1.95;}

  /* ---------- CTA ---------- */
  .cta-bar{background:var(--dark);color:#fff;padding:72px 0;}
  .cta-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:center;}
  .cta-inner h2{color:#fff;font-size:30px;}
  .cta-inner p{margin:14px 0 0;color:var(--on-dark);font-size:16px;max-width:620px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

  /* ---------- Footer ---------- */
  .site-footer{background:var(--footer-bg);color:#A9BFBA;padding:72px 0 28px;font-size:14.5px;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
  .site-footer .logo{color:#fff;}
  .site-footer .logo:hover{color:#fff;text-decoration:none;}
  .site-footer .logo-mark{background:var(--brand-light);}
  .footer-brand p{margin-top:16px;color:#8FA8A3;line-height:1.9;font-size:14px;max-width:320px;}
  .site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em;}
  .footer-links li{margin-bottom:10px;}
  .footer-links a,.footer-contact li{color:#A9BFBA;}
  .footer-links a:hover{color:#fff;text-decoration:none;}
  .footer-contact li{margin-bottom:10px;}
  .footer-bottom{
    margin-top:48px;padding-top:22px;border-top:1px solid var(--line-dark);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    font-size:13px;color:#8FA8A3;
  }
  .footer-bottom a{color:#A9BFBA;}
  .footer-bottom a:hover{color:#fff;text-decoration:none;}

  @media (max-width:1279px){
    .container{max-width:1040px;}
    h1{font-size:38px;}
    .cat-hero h1{font-size:36px;}
  }
  @media (max-width:1023px){
    .section{padding:72px 0;}
    .brand-actions .link-quiet{display:none;}
    .split{gap:36px;}
    .cat-hero-inner{grid-template-columns:1fr;gap:32px;}
    .cat-badge{max-width:320px;}
  }
  @media (max-width:767px){
    body{font-size:16px;}
    .container{padding:0 20px;}
    html,body{overflow-x:hidden;}
    .section{padding:56px 0;}
    h1{font-size:28px;}
    h2{font-size:24px;}
    h3{font-size:18px;}
    .cat-hero{min-height:300px;padding:48px 0;}
    .cat-hero h1{font-size:26px;}
    .cat-sub{font-size:15.5px;}
    .trend-bar{display:none;}
    .search-box{display:none;}
    .brand-inner{height:62px;gap:14px;}
    .search-icon-btn{
      display:inline-flex;align-items:center;justify-content:center;
      width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;
    }
    .search-icon-btn svg{width:18px;height:18px;stroke:var(--brand);}
    .hamburger{display:inline-flex;}
    .brand-actions .btn{display:none;}
    .channel-bar{display:none;}
    .point-grid{grid-template-columns:1fr;}
    .split{grid-template-columns:1fr;gap:26px;}
    .split.reverse .split-media{order:0;}
    .faq-wrap{grid-template-columns:1fr;gap:28px;}
    .cta-inner{grid-template-columns:1fr;gap:26px;}
    .cta-inner h2{font-size:24px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .footer-brand{grid-column:1 / -1;}
    .footer-bottom{flex-direction:column;}
  }
  @media (min-width:768px){
    .search-icon-btn{display:none;}
  }
  @media (max-width:520px){
    body{font-size:15.5px;}
    .cat-hero h1{font-size:23px;}
    .point{padding:28px 22px;}
    .faq-q{padding:20px 46px 20px 16px;font-size:16px;}
    .faq-a p{padding:0 46px 22px 16px;}
    .footer-grid{grid-template-columns:1fr;}
    .btn{width:100%;}
    .cat-hero-actions{flex-direction:column;align-items:stretch;}
    .cat-hero-actions .btn{width:100%;}
  }

/* roulang page: category3 */
:root{
  --brand:#12524B;
  --brand-dark:#0B3A36;
  --brand-light:#1E7A6F;
  --amber:#DE8B2C;
  --amber-light:#F3C77E;
  --clay:#C8562B;
  --ok:#2F7D5A;
  --err:#B23B2E;
  --info:#4A6B7A;
  --bg:#F6F3EC;
  --card:#FFFFFF;
  --surface:#F1EFE8;
  --dark:#0C2B28;
  --footer-bg:#0A2320;
  --text:#16201E;
  --text-2:#4A5856;
  --text-3:#7C8A87;
  --line:#E4E0D6;
  --line-dark:rgba(255,255,255,.14);
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,43,40,.06),0 12px 32px -18px rgba(12,43,40,.18);
  --sh-2:0 2px 6px rgba(12,43,40,.09),0 22px 44px -22px rgba(12,43,40,.30);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.95;
  letter-spacing:.01em;
  text-align:left;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;letter-spacing:0}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand-light);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.num{font-family:"Inter","DIN Alternate",system-ui,sans-serif;font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80}
.trend-bar{
  background:#0C2B28;
  color:#CFE0DB;
  font-size:13px;
  height:34px;
  display:flex;
  align-items:center;
  overflow:hidden;
  transition:height var(--ease),opacity var(--ease);
}
.trend-inner{display:flex;align-items:center;gap:18px;width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.trend-label{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:700;color:#F3C77E;white-space:nowrap;
}
.trend-label::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber)}
.trend-list{display:flex;gap:20px;overflow:hidden;white-space:nowrap;min-width:0}
.trend-list a{color:#CFE0DB;font-size:13px}
.trend-list a:hover{color:#fff;text-decoration:none}
.trend-meta{margin-left:auto;color:#8FA9A3;white-space:nowrap}
.site-header.is-collapsed .trend-bar{height:0;opacity:0}

.brand-bar{
  background:rgba(246,243,236,.96);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease)
}
.site-header.is-stuck .brand-bar{box-shadow:0 6px 20px -14px rgba(12,43,40,.35)}
.brand-inner{
  display:flex;align-items:center;gap:24px;
  width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;height:68px;
}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--text);white-space:nowrap}
.logo:hover{text-decoration:none;color:var(--text)}
.logo-mark{
  width:34px;height:34px;border-radius:9px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-family:"Inter",system-ui,sans-serif;font-size:15px;font-weight:800;
  letter-spacing:.02em;
}
.logo-text{font-size:19px;letter-spacing:.01em}
.search-box{
  flex:1;max-width:410px;display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:0 6px 0 16px;height:42px;
}
.search-box svg{flex:none;color:var(--text-3)}
.search-box input{flex:1;border:0;background:none;outline:none;height:100%;font-size:15px;min-width:0}
.search-box input::placeholder{color:var(--text-3)}
.search-box button{
  background:var(--brand);color:#fff;border-radius:var(--r-pill);
  padding:7px 18px;font-size:14px;font-weight:600;transition:background var(--ease)
}
.search-box button:hover{background:var(--brand-dark)}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:18px;white-space:nowrap}
.brand-actions .text-link{font-size:14px;color:var(--text-2)}
.brand-actions .text-link:hover{color:var(--brand);text-decoration:none}
.brand-phone{font-size:14px;color:var(--text-2);font-variant-numeric:tabular-nums}
.brand-phone strong{color:var(--brand);font-size:15px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;place-items:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.channel-bar{
  background:rgba(246,243,236,.96);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.channel-inner{display:flex;align-items:center;gap:24px;height:46px}
.channel-list{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-list a{
  position:relative;display:inline-block;padding:12px 0 13px;
  font-size:15px;letter-spacing:.02em;color:var(--text-2);white-space:nowrap;
}
.channel-list a:hover{color:var(--brand);text-decoration:none}
.channel-list a.active{color:var(--brand);font-weight:700}
.channel-list a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;background:var(--brand);border-radius:2px;
}
.channel-more{margin-left:auto;font-size:13px;color:var(--text-3);white-space:nowrap}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(12,43,40,.5);z-index:90;opacity:0;pointer-events:none;transition:opacity var(--ease)}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;background:#fff;z-index:100;
  transform:translateX(100%);transition:transform 260ms cubic-bezier(.2,.7,.3,1);
  padding:20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--line);font-size:22px;line-height:1;color:var(--text-2)}
.drawer-links li{border-bottom:1px solid var(--line)}
.drawer-links a{display:flex;justify-content:space-between;align-items:center;padding:14px 0;font-size:16px;color:var(--text)}
.drawer-links a.active{color:var(--brand);font-weight:700}
.drawer-block h4{font-size:13px;color:var(--text-3);font-weight:600;margin-bottom:10px;letter-spacing:.06em}
.drawer-hot{display:flex;flex-wrap:wrap;gap:10px}
.drawer-hot a{background:var(--surface);border-radius:var(--r-pill);padding:6px 14px;font-size:13px;color:var(--text-2)}
.drawer-cta{margin-top:auto}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;letter-spacing:.01em;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease);
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--amber);color:#1A1206;box-shadow:0 10px 24px -14px rgba(222,139,44,.9)}
.btn-primary:hover{background:#c97a1d;color:#1A1206}
.btn-outline{border:1px solid var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:rgba(30,122,111,.08);color:var(--brand-dark)}
.btn-ghost{border:1px solid rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;pointer-events:none}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-amber{background:var(--amber-light);color:#6B3F06}
.badge-brand{background:rgba(18,82,75,.10);color:var(--brand)}
.badge-clay{background:rgba(200,86,43,.12);color:var(--clay)}

/* ============ 分类头 ============ */
.cat-hero{
  position:relative;
  background:linear-gradient(90deg,rgba(10,35,32,.88) 0%,rgba(10,35,32,.72) 52%,rgba(10,35,32,.52) 100%),
             url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  color:#fff;
  padding:64px 0 68px;
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:rgba(255,255,255,.14);
}
.cat-hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:52px;align-items:center}
.crumb{font-size:13px;color:#A9BFBA;margin-bottom:20px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb a{color:#CFE0DB}
.crumb a:hover{color:#fff;text-decoration:none}
.crumb .sep{color:rgba(207,224,219,.5)}
.crumb .now{color:#fff}
.cat-hero h1{
  font-size:44px;line-height:1.28;letter-spacing:0;
  margin:16px 0 18px;color:#fff;max-width:18em;
}
.cat-hero-lead{font-size:17px;line-height:1.9;color:#CFE0DB;max-width:34em;margin-bottom:26px}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.cat-hero-figure{
  position:relative;margin-right:-12%;
  border-radius:var(--r-img);overflow:hidden;
  box-shadow:0 30px 60px -30px rgba(0,0,0,.6);
  border:1px solid rgba(255,255,255,.16);
}
.cat-hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--surface)}
.cat-hero-figure figcaption{
  position:absolute;left:16px;bottom:16px;
  background:rgba(10,35,32,.72);color:#E7F0ED;font-size:13px;
  padding:6px 12px;border-radius:var(--r-pill);backdrop-filter:blur(6px);
}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{margin-bottom:44px;max-width:780px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--brand-light);letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--amber);border-radius:2px}
.section-head h2{font-size:32px;letter-spacing:.01em}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.9;max-width:44em}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* 数据条 */
.metrics{background:var(--dark);color:#CFE0DB;padding:0}
.metrics-inner{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:44px 28px;border-left:1px solid var(--line-dark)}
.metric:first-child{border-left:0}
.metric .val{font-size:52px;font-weight:900;color:#fff;line-height:1.05;font-variant-numeric:tabular-nums;font-family:"Inter","DIN Alternate",system-ui,sans-serif}
.metric .val small{font-size:20px;font-weight:700;margin-left:4px;color:var(--amber)}
.metric .lab{margin-top:10px;font-size:14px;color:#9DB5B0}

/* ============ 双列清单 ============ */
.rowlist{border-top:1px solid var(--line)}
.rowlist li{
  display:grid;grid-template-columns:64px minmax(180px,240px) 1fr 32px;
  gap:24px;align-items:start;
  padding:26px 20px 26px 4px;border-bottom:1px solid var(--line);
  transition:background var(--ease)
}
.rowlist li:hover{background:var(--surface)}
.rowlist .idx{
  font-family:"Inter","DIN Alternate",system-ui,sans-serif;
  font-size:15px;font-weight:800;color:var(--amber);letter-spacing:.06em;padding-top:4px;
}
.rowlist h3{font-size:19px;letter-spacing:.01em}
.rowlist .desc{color:var(--text-2);font-size:16px;line-height:1.9;margin:0}
.rowlist .arrow{
  align-self:center;color:var(--text-3);transition:transform var(--ease),color var(--ease);
}
.rowlist li:hover .arrow{transform:translateX(6px);color:var(--brand)}

/* ============ 图文区块 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-figure{border-radius:var(--r-img);overflow:hidden;border:1px solid rgba(12,43,40,.08);box-shadow:var(--sh-1);background:var(--surface)}
.split-figure img{aspect-ratio:16/10;object-fit:cover;width:100%}
.split h2{font-size:30px;margin-bottom:16px}
.split p{color:var(--text-2);font-size:16.5px;line-height:1.95}
.steplist{margin-top:22px;border-top:1px solid var(--line)}
.steplist li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);font-size:16px;color:var(--text-2)}
.steplist li b{color:var(--brand);font-family:"Inter",system-ui,sans-serif;font-size:14px;font-weight:800;padding-top:3px}

/* ============ 折叠面板 ============ */
.acc-wrap{max-width:880px}
.acc{border-bottom:1px solid var(--line);border-top:1px solid transparent}
.acc:first-of-type{border-top-color:var(--line)}
.acc summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:18px;
  padding:24px 8px 24px 0;font-size:19px;font-weight:700;color:var(--text);
  transition:background var(--ease),padding-left var(--ease),box-shadow var(--ease);
}
.acc summary::-webkit-details-marker{display:none}
.acc summary:hover{background:var(--surface);padding-left:14px}
.acc[open] summary{box-shadow:inset 3px 0 0 var(--brand);padding-left:16px}
.acc-icon{
  margin-left:auto;flex:none;width:26px;height:26px;border-radius:7px;border:1px solid var(--line);
  position:relative;background:#fff;transition:transform var(--ease),background var(--ease),border-color var(--ease);
}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform var(--ease),opacity var(--ease);
}
.acc-icon::before{left:6px;right:6px;top:12px;height:2px}
.acc-icon::after{top:6px;bottom:6px;left:12px;width:2px}
.acc[open] .acc-icon{transform:rotate(90deg);background:var(--brand);border-color:var(--brand)}
.acc[open] .acc-icon::before{background:#fff}
.acc[open] .acc-icon::after{opacity:0}
.acc-body{padding:2px 16px 26px 0;color:var(--text-2);font-size:16px;line-height:1.95;max-width:46em}
.acc-body p:last-child{margin-bottom:0}

/* ============ 联系表单 ============ */
.contact-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:56px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:32px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;transition:border-color var(--ease),box-shadow var(--ease);outline:none;
}
.field textarea{height:auto;min-height:126px;padding:12px 14px;line-height:1.8;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 2px rgba(30,122,111,.35)
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-note{font-size:13px;color:var(--text-3);margin:12px 0 0}
.info-list{border-top:1px solid var(--line)}
.info-list li{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);font-size:16px;color:var(--text-2)}
.info-list li b{color:var(--text);font-weight:600;min-width:92px}
.map-box{
  margin-top:24px;border-radius:var(--r-card);border:1px solid var(--line);
  background:
    linear-gradient(0deg,rgba(241,239,232,.9),rgba(241,239,232,.9)),
    repeating-linear-gradient(0deg,#E4E0D6 0 1px,transparent 1px 34px),
    repeating-linear-gradient(90deg,#E4E0D6 0 1px,transparent 1px 34px);
  aspect-ratio:16/9;display:grid;place-items:center;color:var(--text-3);font-size:14px;
}

/* ============ 底部 CTA 条 ============ */
.cta-band{background:var(--dark);color:#CFE0DB;padding:0}
.cta-inner{
  display:flex;align-items:center;gap:32px;flex-wrap:wrap;
  padding:52px 0;
}
.cta-inner h2{color:#fff;font-size:28px;max-width:20em}
.cta-inner p{color:#9DB5B0;font-size:16px;margin:12px 0 0;max-width:40em}
.cta-actions{margin-left:auto;display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer-bg);color:#A9BFBA;padding:72px 0 26px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .logo{color:#fff}
.footer-brand .logo:hover{color:#fff;text-decoration:none}
.footer-brand .logo-mark{background:#1E7A6F}
.footer-brand p{margin-top:16px;line-height:1.9;color:#8FA9A3;max-width:30em;font-size:14.5px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.04em}
.footer-links li{margin-bottom:11px}
.footer-links a{color:#A9BFBA;font-size:14.5px}
.footer-links a:hover{color:#fff;text-decoration:none}
.footer-contact li{margin-bottom:11px;color:#A9BFBA;font-size:14.5px;font-variant-numeric:tabular-nums}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7E9691;
}
.footer-bottom a{color:#A9BFBA}
.footer-bottom a:hover{color:#fff;text-decoration:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1040px}
  .rowlist li{grid-template-columns:54px minmax(160px,220px) 1fr 28px;gap:20px}
}
@media (max-width:1023px){
  body{font-size:16px}
  .section{padding:72px 0}
  .cat-hero h1{font-size:36px}
  .split{grid-template-columns:1fr;gap:36px}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .brand-actions .text-link,.brand-phone{display:none}
  .cat-hero-figure{margin-right:-6%}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .trend-bar{display:none}
  .brand-inner{height:62px;gap:12px}
  .search-box{display:none}
  .nav-toggle{display:grid;margin-left:auto}
  .channel-bar{display:none}
  .cat-hero{padding:40px 0 48px}
  .cat-hero-grid{grid-template-columns:1fr;gap:28px}
  .cat-hero h1{font-size:28px}
  .cat-hero-lead{font-size:16px}
  .cat-hero-figure{margin-right:0}
  .cat-hero-actions .btn{flex:1 1 100%}
  .section{padding:56px 0}
  .section-head h2{font-size:24px}
  .metrics-inner{grid-template-columns:1fr 1fr}
  .metric{padding:28px 18px;border-left:1px solid var(--line-dark)}
  .metric:nth-child(odd){border-left:0}
  .metric .val{font-size:38px}
  .rowlist li{grid-template-columns:36px 1fr;gap:12px 14px;padding:20px 8px 20px 0}
  .rowlist .arrow{display:none}
  .rowlist h3{font-size:17px}
  .rowlist .desc{grid-column:2;font-size:15px}
  .acc summary{font-size:17px;padding:20px 4px 20px 0}
  .acc[open] summary{padding-left:12px}
  .cta-inner{padding:40px 0;gap:20px}
  .cta-inner h2{font-size:22px}
  .cta-actions{margin-left:0;width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{margin-top:36px}
  .form-card{padding:22px}
  .field-row{grid-template-columns:1fr;gap:0}
}
@media (max-width:479px){
  body{font-size:15.5px}
  .cat-hero h1{font-size:24px}
  .metric .val{font-size:32px}
  .metric .lab{font-size:13px}
  .logo-text{font-size:17px}
  .badge{height:22px;font-size:11.5px}
}