/* roulang page: index */
:root{
  --ink:#0B3B2E;
  --ink-deep:#0B1F1A;
  --cyan:#2DD4BF;
  --orange:#FF7A1A;
  --bg:#F6F7F2;
  --surface:#FFFFFF;
  --text:#10201C;
  --muted:#5B6B64;
  --border:#DDE5E0;
  --ok:#16A34A;
  --warn:#F59E0B;
  --err:#DC2626;
  --r-card:18px;
  --r-btn:12px;
  --shadow-1:0 1px 2px rgba(11,59,46,.05), 0 10px 26px rgba(11,59,46,.07);
  --shadow-2:0 2px 6px rgba(11,59,46,.08), 0 20px 44px rgba(11,59,46,.13);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);color:var(--text);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink-deep);font-weight:800;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:10px}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* 容器与板块 */
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container{padding-left:28px;padding-right:28px}}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px}}
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.section-soft{background:#EEF2ED}
.section-dark{background:var(--ink-deep);color:#EDF5F1}
.section-dark h2,.section-dark h3{color:#fff}
.sec-head{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;justify-content:space-between;margin-bottom:34px}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--ink);background:rgba(45,212,191,.16);padding:6px 14px;border-radius:999px;text-transform:uppercase}
.sec-title{font-size:clamp(24px,3.2vw,36px);margin-top:14px}
.sec-desc{margin-top:12px;max-width:720px;color:var(--muted);font-size:15px}
.section-dark .sec-desc{color:#A9C6BC}
.section-dark .sec-tag{background:rgba(45,212,191,.18);color:var(--cyan)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;border-radius:var(--r-btn);padding:13px 24px;border:1.5px solid transparent;cursor:pointer;transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease,color .18s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 12px 24px rgba(255,122,26,.26)}
.btn-primary:hover{background:#ef6c0b;transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,122,26,.32)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:#0f503f;transform:translateY(-2px)}
.btn-outline{background:#fff;border-color:var(--border);color:var(--ink-deep)}
.btn-outline:hover{border-color:var(--cyan);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-light:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--ink);transition:color .18s,gap .18s}
.link-arrow::after{content:"→";transition:transform .18s}
.link-arrow:hover{color:var(--orange)}
.link-arrow:hover::after{transform:translateX(3px)}

/* 徽章与标签 */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;background:#EDF1EE;color:var(--ink);letter-spacing:.02em}
.badge-cyan{background:rgba(45,212,191,.18);color:#0B5B4C}
.badge-orange{background:rgba(255,122,26,.16);color:#B44B00}
.badge-dark{background:rgba(255,255,255,.14);color:#CFF6EB}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,247,242,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.header-main{display:flex;align-items:center;gap:22px;padding:14px 0 10px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{width:40px;height:40px;border-radius:13px;background:linear-gradient(140deg,#0B3B2E,#0f5443);display:grid;place-items:center;box-shadow:inset 0 0 0 1px rgba(45,212,191,.4)}
.brand-mark svg{width:20px;height:20px;color:var(--cyan)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:17px;font-weight:800;color:var(--ink-deep)}
.brand-sub{font-size:10.5px;letter-spacing:.18em;color:var(--muted);text-transform:uppercase}
.nav-search{position:relative;flex:1 1 auto;max-width:520px;margin:0 auto;min-width:200px}
.nav-search input{width:100%;height:46px;border-radius:999px;border:1px solid var(--border);background:#fff;padding:0 18px 0 46px;font-size:14px;transition:border-color .18s,box-shadow .18s}
.nav-search input::placeholder{color:#93A39B}
.nav-search input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 4px rgba(45,212,191,.18)}
.nav-search .search-icon{position:absolute;left:17px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--muted);pointer-events:none}
.nav-cats{display:flex;gap:8px;overflow-x:auto;padding:4px 0 14px;scrollbar-width:none}
.nav-cats::-webkit-scrollbar{display:none}
.cat-pill{flex:0 0 auto;padding:8px 16px;border-radius:999px;border:1px solid var(--border);background:#fff;font-size:14px;font-weight:600;color:var(--muted);transition:.18s}
.cat-pill:hover{color:var(--ink);border-color:var(--cyan);transform:translateY(-1px)}
.cat-pill.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.header-cta{flex:0 0 auto}
@media(max-width:900px){
  .header-main{flex-wrap:wrap;gap:12px}
  .nav-search{order:3;flex:1 1 100%;max-width:none;margin:0}
  .header-cta{order:2;margin-left:auto}
  .header-cta .btn{padding:10px 16px;font-size:14px}
}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--ink-deep);color:#fff;isolation:isolate}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.45;z-index:-3}
.hero-veil{position:absolute;inset:0;background:linear-gradient(115deg,rgba(11,31,26,.96) 0%,rgba(11,59,46,.88) 46%,rgba(11,31,26,.6) 100%);z-index:-2}
.hero-grid{position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 92px);z-index:-1}
.hero-arc{position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;border:1px dashed rgba(45,212,191,.3);pointer-events:none}
.hero-arc-2{position:absolute;right:-40px;bottom:-220px;width:420px;height:420px;border-radius:50%;border:1px solid rgba(255,122,26,.22);pointer-events:none}
.hero-inner{padding:64px 20px 72px;position:relative}
@media(min-width:768px){.hero-inner{padding:84px 28px 92px}}
@media(min-width:1024px){.hero-inner{padding:104px 32px 108px;max-width:1240px;margin:0 auto}}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.1em;color:#C9F4E9;background:rgba(45,212,191,.16);border:1px solid rgba(45,212,191,.3);padding:7px 16px;border-radius:999px}
.hero h1{color:#fff;font-size:clamp(28px,5vw,54px);line-height:1.16;margin-top:22px;max-width:16em;font-weight:900}
.hero-sub{margin-top:20px;max-width:660px;font-size:16px;line-height:1.8;color:#C4DED5}
@media(min-width:1024px){.hero-sub{font-size:17px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-badges{display:grid;gap:12px;grid-template-columns:1fr;margin-top:44px;max-width:900px}
@media(min-width:640px){.hero-badges{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.hero-badges{grid-template-columns:repeat(4,1fr)}}
.hero-badge{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:16px 18px;backdrop-filter:blur(4px)}
.hero-badge strong{display:block;font-size:18px;color:#fff;margin-bottom:4px;font-weight:800}
.hero-badge span{font-size:13px;color:#A9C6BC;line-height:1.6}

/* 流程刻度 */
.flow{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:768px){.flow{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.flow{grid-template-columns:repeat(4,1fr)}}
.flow-card{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:26px 22px 24px;box-shadow:var(--shadow-1);transition:transform .2s,border-color .2s,box-shadow .2s}
.flow-card:hover{transform:translateY(-5px);border-color:var(--cyan);box-shadow:var(--shadow-2)}
.flow-num{font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--cyan);background:rgba(45,212,191,.14);display:inline-block;padding:4px 12px;border-radius:999px}
.flow-card h3{font-size:19px;margin:16px 0 10px}
.flow-card p{font-size:14.5px;color:var(--muted)}
.flow-card::after{content:"";position:absolute;left:22px;right:22px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:linear-gradient(90deg,var(--cyan),transparent)}

/* 优惠阶梯 */
.ladder{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:1024px){.ladder{grid-template-columns:repeat(4,1fr);gap:18px}}
.ladder-step{position:relative;background:#fff;border:1px solid var(--border);border-radius:20px;padding:26px 22px;box-shadow:var(--shadow-1);transition:transform .2s,border-color .2s,box-shadow .2s}
.ladder-step:hover{transform:translateY(-6px);border-color:var(--cyan);box-shadow:var(--shadow-2)}
@media(min-width:1024px){
  .ladder-step:nth-child(2){transform:translateY(16px)}
  .ladder-step:nth-child(3){transform:translateY(32px)}
  .ladder-step:nth-child(4){transform:translateY(48px)}
  .ladder-step:nth-child(2):hover,.ladder-step:nth-child(3):hover,.ladder-step:nth-child(4):hover{transform:translateY(34px)}
}
.ladder-level{display:flex;align-items:center;justify-content:space-between;gap:10px}
.ladder-step h3{font-size:20px;margin-top:16px}
.ladder-cond{margin-top:10px;font-size:13.5px;color:var(--muted);border-left:3px solid var(--cyan);padding-left:10px}
.ladder-list{margin-top:18px;display:grid;gap:10px}
.ladder-list li{position:relative;padding-left:20px;font-size:14px;color:#22332D}
.ladder-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--cyan)}
.ladder-step .btn{width:100%;margin-top:22px}
.ladder-step.is-featured{background:var(--ink);border-color:var(--ink)}
.ladder-step.is-featured h3,.ladder-step.is-featured .ladder-list li{color:#fff}
.ladder-step.is-featured .ladder-cond{color:#A9C6BC}
.ladder-step.is-featured .ladder-list li::before{background:var(--orange)}

/* 对比矩阵 */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:20px;background:#fff;box-shadow:var(--shadow-1);-webkit-overflow-scrolling:touch}
.cmp-table{width:100%;min-width:760px;border-collapse:collapse;font-size:14.5px}
.cmp-table th,.cmp-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top}
.cmp-table thead th{background:#F1F5F1;font-size:15px;color:var(--ink-deep);position:sticky;top:0;z-index:2}
.cmp-table thead th:first-child{background:#F1F5F1;width:200px}
.cmp-table tbody th{font-weight:700;color:var(--ink-deep);background:#FAFBF9;width:200px}
.cmp-table tbody tr:hover td{background:#F7FBF9}
.cmp-table thead th.is-featured{background:var(--ink);color:#fff}
.cmp-table td.is-featured{background:rgba(45,212,191,.08);font-weight:600}
.tag-rec{display:inline-block;margin-left:8px;font-size:11px;font-weight:800;background:var(--orange);color:#fff;border-radius:999px;padding:2px 9px;vertical-align:middle}
.cmp-table tfoot td{padding-top:20px;padding-bottom:24px}
@media(max-width:640px){
  .cmp-table th,.cmp-table td{padding:13px 12px;font-size:13.5px}
  .cmp-table thead th:first-child,.cmp-table tbody th{width:132px}
}

/* 内容卡片与列表 */
.card{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--shadow-1);transition:transform .2s,border-color .2s,box-shadow .2s}
.card:hover{transform:translateY(-5px);border-color:var(--cyan);box-shadow:var(--shadow-2)}
.lead-card{display:grid;gap:0;overflow:hidden;margin-bottom:22px}
@media(min-width:900px){.lead-card{grid-template-columns:1.05fr 1fr}}
.lead-media{position:relative;overflow:hidden;background:#0B3B2E;min-height:220px}
.lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.lead-card:hover .lead-media img{transform:scale(1.05)}
.lead-body{padding:26px 24px 26px}
@media(min-width:1024px){.lead-body{padding:34px 32px}}
.lead-title{font-size:clamp(20px,2.4vw,26px);margin:14px 0 12px}
.lead-title a:hover{color:var(--orange)}
.lead-sum{color:var(--muted);font-size:15px}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px;font-size:13px;color:var(--muted)}
.news-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{padding:22px 20px 20px;display:flex;flex-direction:column}
.news-title{font-size:17.5px;margin:14px 0 10px;line-height:1.45}
.news-title a:hover{color:var(--orange)}
.news-sum{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-card .meta{margin-top:auto;padding-top:16px}
.empty-state{background:#fff;border:1px dashed var(--border);border-radius:var(--r-card);padding:34px;text-align:center;color:var(--muted);font-size:15px}

/* 证据与数据 */
.proof-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:768px){.proof-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.proof-grid{grid-template-columns:repeat(3,1fr)}}
.proof-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--shadow-1)}
.proof-card p{font-size:15px;color:#22332D}
.proof-who{display:flex;align-items:center;gap:12px;margin-top:18px}
.proof-avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(140deg,var(--ink),#12604C);display:grid;place-items:center;color:var(--cyan);font-weight:800;font-size:15px}
.proof-name{font-size:14px;font-weight:700}
.proof-role{font-size:12.5px;color:var(--muted)}
.stat-row{display:grid;gap:16px;margin-top:28px;grid-template-columns:repeat(2,1fr)}
@media(min-width:1024px){.stat-row{grid-template-columns:repeat(4,1fr)}}
.stat-cell{border:1px solid var(--border);border-radius:16px;padding:20px;background:#fff}
.stat-cell strong{display:block;font-size:26px;color:var(--ink);font-weight:900}
.stat-cell span{font-size:13.5px;color:var(--muted)}

/* 图文叙事 */
.story{display:grid;gap:26px;align-items:center;grid-template-columns:1fr}
@media(min-width:1024px){.story{grid-template-columns:1.05fr 1fr;gap:48px}}
.story-media{position:relative;border-radius:22px;overflow:hidden;box-shadow:var(--shadow-2)}
.story-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.story-media .float-chip{position:absolute;left:18px;bottom:18px;background:rgba(11,31,26,.86);color:#fff;border-radius:14px;padding:12px 16px;font-size:13px;border:1px solid rgba(45,212,191,.32)}
.story h2{font-size:clamp(23px,3vw,32px);margin-bottom:16px}
.story p{color:var(--muted);font-size:15.5px}
.story-list{margin-top:22px;display:grid;gap:14px}
.story-list li{display:flex;gap:14px;align-items:flex-start}
.story-check{flex:0 0 auto;width:26px;height:26px;border-radius:9px;background:rgba(45,212,191,.16);color:var(--ink);display:grid;place-items:center;font-size:14px;font-weight:800;margin-top:2px}
.story-list strong{display:block;font-size:15.5px;color:var(--ink-deep)}
.story-list span{font-size:14px;color:var(--muted)}

/* 转化区 */
.convert-grid{display:grid;gap:22px;grid-template-columns:1fr}
@media(min-width:1024px){.convert-grid{grid-template-columns:1fr 1.05fr;gap:26px}}
.timing-panel{background:linear-gradient(150deg,#0B3B2E,#0B1F1A);border-radius:22px;padding:32px 26px;color:#DCEFE8;position:relative;overflow:hidden}
.timing-panel::after{content:"";position:absolute;right:-90px;bottom:-120px;width:280px;height:280px;border-radius:50%;border:1px dashed rgba(45,212,191,.28)}
.timing-panel h2{color:#fff;font-size:clamp(22px,2.8vw,30px);margin-top:16px}
.timing-panel>p{margin-top:12px;font-size:15px;color:#A9C6BC}
.pill-light{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.1em;background:rgba(255,122,26,.18);color:#FFC79B;border:1px solid rgba(255,122,26,.35);padding:6px 14px;border-radius:999px}
.clock-row{display:flex;align-items:center;gap:14px;margin:26px 0 8px}
.clock-cell{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:14px 18px;text-align:center;min-width:104px}
.clock-num{display:block;font-size:24px;font-weight:900;color:#fff;letter-spacing:.02em}
.clock-lab{font-size:12px;color:#9FC5B9}
.clock-line{flex:1;height:2px;background:linear-gradient(90deg,var(--cyan),rgba(45,212,191,.12));border-radius:2px}
.tick-list{margin-top:24px;display:grid;gap:12px}
.tick-list li{position:relative;padding-left:22px;font-size:14.5px;color:#C4DED5}
.tick-list li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;background:var(--orange)}

/* 表单 */
.form-card{background:#fff;border:1px solid var(--border);border-radius:22px;padding:30px 24px;box-shadow:var(--shadow-2)}
.form-card h2{font-size:clamp(21px,2.6vw,27px)}
.form-card>p{margin-top:10px;color:var(--muted);font-size:14.5px}
.form-grid{display:grid;gap:16px;margin-top:22px;grid-template-columns:1fr}
@media(min-width:768px){.form-grid{grid-template-columns:repeat(2,1fr)}.form-grid .full{grid-column:1 / -1}}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13.5px;font-weight:700;color:var(--ink-deep)}
.field input,.field select,.field textarea{width:100%;border:1.5px solid var(--border);border-radius:13px;background:#FBFCFA;padding:12px 14px;font-size:14.5px;transition:border-color .18s,box-shadow .18s,background .18s}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan);background:#fff;box-shadow:0 0 0 4px rgba(45,212,191,.16)}
.field .hint{font-size:12.5px;color:var(--muted)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err)}
.field.has-error .hint{color:var(--err)}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted)}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--orange)}
.form-actions{margin-top:20px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.form-tip{font-size:13.5px;font-weight:600}
.form-tip.is-ok{color:var(--ok)}
.form-tip.is-err{color:var(--err)}

/* FAQ */
.faq-wrap{max-width:920px}
.faq-item{border:1px solid var(--border);border-radius:16px;background:#fff;transition:border-color .2s,box-shadow .2s}
.faq-item+.faq-item{margin-top:12px}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:16.5px;font-weight:700;color:var(--ink-deep)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--orange)}
.faq-icon{flex:0 0 auto;width:28px;height:28px;border-radius:9px;background:rgba(45,212,191,.16);color:var(--ink);display:grid;place-items:center;font-size:15px;font-weight:800;transition:background .2s,color .2s}
.faq-icon::before{content:"+"}
.faq-item[open]{border-color:var(--cyan);box-shadow:var(--shadow-1)}
.faq-item[open] .faq-icon{background:var(--orange);color:#fff}
.faq-item[open] .faq-icon::before{content:"–"}
.faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.8}

/* 结尾 CTA */
.cta-band{background:linear-gradient(120deg,#0B3B2E,#0B1F1A);border-radius:26px;padding:44px 28px;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;left:-80px;top:-80px;width:260px;height:260px;border-radius:50%;border:1px dashed rgba(45,212,191,.26)}
.cta-band h2{color:#fff;font-size:clamp(23px,3vw,34px);position:relative}
.cta-band p{margin:14px auto 0;max-width:620px;color:#A9C6BC;font-size:15px;position:relative}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px;position:relative}

/* 页脚 */
.site-footer{background:#0B1F1A;color:#A9C6BC;padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;gap:30px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(140deg,#12604C,#0B3B2E)}
.footer-brand span{color:#fff;font-size:16.5px;font-weight:800}
.footer-col h3{color:#fff;font-size:14.5px;letter-spacing:.06em;margin-bottom:16px}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14px;color:#A9C6BC;transition:color .18s}
.footer-col a:hover{color:var(--cyan)}
.footer-note{font-size:13.5px;line-height:1.9}
.footer-bottom{margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#7E9A91}

/* roulang page: article */
:root{
  --brand:#0B3B2E;
  --brand-deep:#08291F;
  --accent:#2DD4BF;
  --accent-soft:rgba(45,212,191,.14);
  --highlight:#FF7A1A;
  --highlight-deep:#E96A0C;
  --bg:#F6F7F2;
  --surface:#FFFFFF;
  --dark:#0B1F1A;
  --ink:#10201C;
  --muted:#5B6B64;
  --line:#DDE5E0;
  --ok:#16A34A;
  --warn:#F59E0B;
  --err:#DC2626;
  --r-xl:22px;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --shadow-1:0 1px 2px rgba(11,59,46,.05),0 10px 26px rgba(11,59,46,.07);
  --shadow-2:0 18px 42px rgba(11,59,46,.14);
  --shadow-3:0 26px 60px rgba(8,41,31,.22);
  --ease:cubic-bezier(.22,.7,.32,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:var(--accent);color:#04231C;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.2px;cursor:pointer;
  transition:transform .18s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--highlight);color:#fff;box-shadow:0 10px 24px rgba(255,122,26,.28);}
.btn-primary:hover{background:var(--highlight-deep);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,122,26,.34);}
.btn-dark{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(11,59,46,.22);}
.btn-dark:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:#EAF5F1;border-color:rgba(234,245,241,.42);}
.btn-ghost:hover{background:rgba(234,245,241,.12);color:#fff;border-color:var(--accent);transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--line);}
.btn-outline:hover{border-color:var(--accent);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);}
.btn-text::after{content:"";width:16px;height:8px;background:currentColor;
  clip-path:polygon(0 40%,58% 40%,58% 0,100% 50%,58% 100%,58% 60%,0 60%);transition:transform .2s var(--ease);}
.btn-text:hover::after{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600;
  background:var(--accent-soft);color:#0B5B4A;
}
.chip-accent{background:rgba(45,212,191,.2);color:#063A30;}
.chip-hot{background:rgba(255,122,26,.16);color:#8A3E02;}
.chip-plain{background:#EFF3F0;color:var(--muted);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,247,242,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-main{
  display:grid;
  grid-template-columns:auto minmax(260px,1fr) auto;
  align-items:center;
  gap:24px;
  padding:14px 0;
}
.brand{display:inline-flex;align-items:center;gap:12px;}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),#12604C);
  color:var(--accent);box-shadow:0 10px 22px rgba(11,59,46,.24);
}
.brand-mark svg{width:24px;height:24px;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.4px;color:var(--brand);}
.brand-sub{font-size:11px;letter-spacing:1.6px;text-transform:uppercase;color:var(--muted);}
.nav-search{
  position:relative;display:flex;align-items:center;
  width:100%;max-width:560px;margin:0 auto;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:0 8px 0 42px;height:48px;
  box-shadow:0 6px 18px rgba(11,59,46,.06);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(45,212,191,.22);}
.search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:19px;height:19px;color:var(--muted);}
.nav-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:15px;
}
.nav-search input::placeholder{color:#93A29B;}
.header-cta{display:flex;align-items:center;gap:10px;justify-self:end;}
.nav-cats{
  display:flex;gap:10px;padding:0 0 14px;overflow-x:auto;scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none;}
.cat-pill{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;
  background:#fff;color:var(--muted);border:1px solid var(--line);
  transition:all .2s var(--ease);white-space:nowrap;
}
.cat-pill:hover{border-color:var(--accent);color:var(--brand);transform:translateY(-1px);}
.cat-pill.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------- 文章头图区 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background:var(--brand-deep);color:#fff;
  padding:44px 0 56px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.26;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(6,32,25,.96) 8%,rgba(11,59,46,.72) 58%,rgba(11,59,46,.5) 100%);
}
.article-hero .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(234,245,241,.72);}
.crumb a{color:rgba(234,245,241,.86);}
.crumb a:hover{color:var(--accent);}
.crumb-sep{color:rgba(234,245,241,.4);}
.crumb-current{color:#fff;font-weight:600;}
.article-hero h1{
  margin-top:18px;
  font-size:clamp(28px,3.9vw,44px);
  line-height:1.22;
  font-weight:800;
  color:#fff;
  letter-spacing:.3px;
  max-width:960px;
}
.hero-lead{
  margin-top:16px;max-width:820px;
  font-size:16px;line-height:1.85;color:rgba(234,245,241,.86);
}
.meta-row{
  margin-top:24px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:13.5px;color:rgba(234,245,241,.78);
}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-item svg{width:15px;height:15px;color:var(--accent);}

/* ---------- 正文布局 ---------- */
.article-main{padding:56px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;}
.article-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow-1);
  padding:40px 44px;
}
.article-body{max-width:800px;font-size:16.5px;line-height:1.85;color:#16302A;}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:27px;line-height:1.35;font-weight:700;color:var(--brand);
  margin:2.1em 0 .7em;padding-left:16px;border-left:5px solid var(--highlight);border-radius:2px;
}
.article-body h3{font-size:20px;line-height:1.45;font-weight:700;color:#123B30;margin:1.7em 0 .6em;}
.article-body h4{font-size:17px;font-weight:700;margin:1.4em 0 .5em;color:#123B30;}
.article-body p{margin:0 0 1.15em;}
.article-body ul,.article-body ol{margin:0 0 1.25em;padding-left:1.35em;}
.article-body ul li{list-style:none;position:relative;margin:.45em 0;padding-left:6px;}
.article-body ul li::before{
  content:"";position:absolute;left:-14px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--accent);transform:rotate(45deg);
}
.article-body ol{list-style:decimal;}
.article-body ol li{margin:.45em 0;}
.article-body ol li::marker{color:var(--brand);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;border-left:4px solid var(--accent);
  background:#F2FAF7;border-radius:0 var(--r-md) var(--r-md) 0;
  color:#1D4A3E;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-lg);margin:1.4em 0;box-shadow:var(--shadow-1);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body a{color:#0E6B57;font-weight:600;text-decoration:underline;text-decoration-color:rgba(45,212,191,.6);text-underline-offset:3px;}
.article-body a:hover{color:var(--highlight);}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body th{background:#F0F5F2;color:var(--brand);font-weight:700;}
.article-body tr:nth-child(even) td{background:#FAFCFB;}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:2em 0;}
.article-body code{background:#EFF5F2;padding:2px 6px;border-radius:6px;font-size:14px;color:#0B4A3C;}

.article-empty{
  max-width:620px;margin:0 auto;text-align:center;padding:56px 24px;
}
.article-empty h2{font-size:26px;color:var(--brand);margin-bottom:14px;}
.article-empty p{color:var(--muted);margin-bottom:24px;line-height:1.8;}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:22px;position:sticky;top:132px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow-1);padding:24px;overflow:hidden;
}
.side-card h3{font-size:17px;color:var(--brand);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:8px;height:8px;border-radius:3px;background:var(--highlight);transform:rotate(45deg);}
.side-list li + li{margin-top:10px;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:var(--r-md);background:#F7FAF8;
  font-size:14.5px;color:#1D3B33;font-weight:600;border:1px solid transparent;
  transition:all .2s var(--ease);
}
.side-list a:hover{border-color:var(--accent);background:#fff;transform:translateX(3px);color:var(--brand);}
.side-list a span{color:var(--muted);font-size:12px;font-weight:500;}
.side-callout{
  background:linear-gradient(155deg,var(--brand),#12523F);color:#fff;
  border-radius:var(--r-xl);padding:26px 24px;box-shadow:var(--shadow-2);
}
.side-callout h3{color:#fff;font-size:18px;margin-bottom:10px;}
.side-callout h3::before{background:var(--accent);}
.side-callout p{font-size:14px;line-height:1.8;color:rgba(234,245,241,.85);margin-bottom:18px;}
.side-cover{border-radius:var(--r-lg);overflow:hidden;margin-bottom:16px;}
.side-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ---------- 相关推荐 ---------- */
.rec-section{padding:0 0 72px;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px;}
.section-head h2{font-size:28px;color:var(--brand);letter-spacing:.2px;}
.section-head p{font-size:14.5px;color:var(--muted);margin-top:6px;}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rec-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.rec-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2);}
.rec-thumb{position:relative;overflow:hidden;}
.rec-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s var(--ease);}
.rec-card:hover .rec-thumb img{transform:scale(1.05);}
.rec-badge{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:999px;
  background:rgba(8,41,31,.82);color:#EAF5F1;font-size:12px;font-weight:600;backdrop-filter:blur(6px);
}
.rec-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:17.5px;line-height:1.5;color:var(--ink);}
.rec-body p{font-size:14px;line-height:1.75;color:var(--muted);flex:1;}
.rec-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}
.rec-foot .btn-text{font-size:14px;}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background:var(--dark);border-radius:26px;
  padding:52px 48px;margin-bottom:80px;box-shadow:var(--shadow-3);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;opacity:.2;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(6,28,22,.95),rgba(11,59,46,.62));
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;}
.cta-inner h2{color:#fff;font-size:30px;line-height:1.3;}
.cta-inner p{margin-top:12px;font-size:15.5px;line-height:1.85;color:rgba(234,245,241,.86);max-width:760px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.cta-points span{
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(45,212,191,.16);color:#BFF3E8;border:1px solid rgba(45,212,191,.3);
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#C8D8D3;padding:60px 0 26px;border-top:4px solid var(--accent);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:linear-gradient(140deg,#12523F,#0B3B2E);}
.footer-note{font-size:14px;line-height:1.85;color:#9FB4AE;max-width:420px;}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;letter-spacing:.3px;}
.footer-col ul li + li{margin-top:11px;}
.footer-col a{font-size:14px;color:#9FB4AE;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:#879C96;
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .header-main{grid-template-columns:1fr auto;grid-template-areas:"brand cta" "search search";gap:14px;padding:12px 0;}
  .brand{grid-area:brand;}
  .nav-search{grid-area:search;max-width:none;margin:0;}
  .header-cta{grid-area:cta;}
  .article-panel{padding:30px 24px;}
  .article-body h2{font-size:23px;}
  .article-body h3{font-size:19px;}
  .cta-inner{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:38px 26px;border-radius:20px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .brand-sub{display:none;}
  .header-cta .btn{padding:11px 16px;font-size:14px;}
  .article-hero{padding:32px 0 40px;}
  .article-hero h1{font-size:26px;}
  .hero-lead{font-size:15px;}
  .article-main{padding:36px 0 48px;}
  .article-panel{padding:24px 18px;border-radius:var(--r-lg);}
  .article-body{font-size:16px;}
  .article-body h2{font-size:21px;padding-left:12px;}
  .rec-grid{grid-template-columns:minmax(0,1fr);}
  .section-head h2{font-size:23px;}
  .cta-inner h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .cta-band{margin-bottom:56px;}
}

/* roulang page: category1 */
:root{
    --ink:#0B3B2E;
    --ink-deep:#0B1F1A;
    --teal:#2DD4BF;
    --orange:#FF7A1A;
    --bg:#F6F7F2;
    --surface:#FFFFFF;
    --text:#10201C;
    --muted:#5B6B64;
    --line:#DDE5E0;
    --success:#16A34A;
    --warn:#F59E0B;
    --danger:#DC2626;
    --r-lg:20px;
    --r-md:14px;
    --r-sm:10px;
    --shadow-1:0 1px 2px rgba(11,59,46,.06), 0 10px 26px rgba(11,59,46,.08);
    --shadow-2:0 2px 6px rgba(11,59,46,.08), 0 22px 48px rgba(11,59,46,.14);
    --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.75;
    letter-spacing:.01em;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:6px;}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
  @media(max-width:1024px){.container{padding:0 24px;}}
  @media(max-width:640px){.container{padding:0 16px;}}

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;top:0;z-index:70;
    background:rgba(255,255,255,.96);
    backdrop-filter:saturate(160%) blur(8px);
    border-bottom:1px solid var(--line);
  }
  .header-main{
    display:grid;
    grid-template-columns:auto minmax(280px,1fr) auto;
    align-items:center;
    gap:24px;
    padding:14px 0 10px;
  }
  .brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
  .brand-mark{
    width:42px;height:42px;border-radius:13px;flex:0 0 42px;
    display:grid;place-items:center;
    background:linear-gradient(150deg,var(--ink) 0%,#145244 60%,var(--ink-deep) 100%);
    color:var(--teal);
    box-shadow:0 8px 18px rgba(11,59,46,.28);
  }
  .brand-mark svg{width:23px;height:23px;}
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.02em;}
  .brand-sub{font-size:11px;color:var(--muted);letter-spacing:.16em;text-transform:uppercase;}

  .nav-search{
    position:relative;display:flex;align-items:center;
    width:100%;max-width:560px;justify-self:center;
    background:#F1F4F1;
    border:1px solid var(--line);
    border-radius:999px;
    transition:border-color .2s,box-shadow .2s,background .2s;
  }
  .nav-search:focus-within{
    background:#fff;border-color:var(--teal);
    box-shadow:0 0 0 4px rgba(45,212,191,.22);
  }
  .nav-search .search-icon{
    width:18px;height:18px;flex:0 0 18px;margin-left:18px;color:var(--muted);
  }
  .nav-search input{
    flex:1 1 auto;border:0;background:transparent;padding:12px 18px 12px 12px;
    font-size:14.5px;outline:none;min-width:0;
  }
  .nav-search input::placeholder{color:#8A9A93;}

  .header-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto;}

  .nav-cats{
    display:flex;gap:10px;align-items:center;
    padding:6px 0 14px;
    overflow-x:auto;flex-wrap:nowrap;
    scrollbar-width:none;
  }
  .nav-cats::-webkit-scrollbar{display:none;}
  .cat-pill{
    flex:0 0 auto;
    padding:8px 18px;border-radius:999px;
    font-size:14px;font-weight:600;color:#3C4C46;
    background:#F1F4F1;border:1px solid transparent;
    transition:background .2s,color .2s,border-color .2s,transform .15s;
  }
  .cat-pill:hover{background:#E6EDE8;color:var(--ink);transform:translateY(-1px);}
  .cat-pill.is-active{
    background:var(--ink);color:#fff;border-color:var(--ink);
    box-shadow:0 8px 18px rgba(11,59,46,.22);
  }
  .cat-pill.is-active:hover{background:var(--ink-deep);}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;border-radius:12px;border:1px solid transparent;
    font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
    transition:transform .16s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  }
  .btn:active{transform:translateY(1px);}
  .btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 22px rgba(255,122,26,.32);}
  .btn-primary:hover{background:#EA6C10;box-shadow:0 14px 28px rgba(255,122,26,.38);transform:translateY(-2px);}
  .btn-ink{background:var(--ink);color:#fff;box-shadow:0 10px 22px rgba(11,59,46,.26);}
  .btn-ink:hover{background:var(--ink-deep);transform:translateY(-2px);}
  .btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-1);}
  .btn-ghost:hover{border-color:var(--teal);color:var(--ink);transform:translateY(-2px);}
  .btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
  .btn-line:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px);}
  .btn-sm{padding:9px 18px;font-size:13.5px;border-radius:10px;}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--ink);font-size:14px;}
  .link-arrow::after{content:"→";transition:transform .2s;}
  .link-arrow:hover::after{transform:translateX(4px);}
  .link-arrow:hover{color:var(--orange);}

  /* ---------- Badges / tags ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 12px;border-radius:999px;
    font-size:12.5px;font-weight:700;line-height:1.5;
    background:#E7F6F2;color:#0F5A49;border:1px solid #C7EBE2;
  }
  .badge-orange{background:#FFF1E5;color:#B14A08;border-color:#FFD9BB;}
  .badge-ink{background:rgba(255,255,255,.14);color:#EAFBF6;border-color:rgba(255,255,255,.28);}
  .badge-soft{background:#F1F4F1;color:#41544C;border-color:var(--line);}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;overflow:hidden;
    background-color:var(--ink-deep);
    background-image:linear-gradient(100deg,rgba(9,32,26,.94) 0%,rgba(11,59,46,.86) 46%,rgba(11,59,46,.62) 100%),
      url("/assets/images/backpic/back-1.png");
    background-size:cover;background-position:center;
    color:#fff;
  }
  .hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 14px);
    opacity:.5;
  }
  .hero-inner{position:relative;z-index:2;padding:72px 0 76px;max-width:840px;}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:#A9C8BF;margin-bottom:18px;}
  .breadcrumb a:hover{color:var(--teal);}
  .breadcrumb .sep{opacity:.6;}
  .breadcrumb .current{color:#EAFBF6;font-weight:600;}
  .hero h1{
    font-size:clamp(30px,4.4vw,52px);
    font-weight:900;line-height:1.16;letter-spacing:-.015em;
  }
  .hero h1 .hl{
    color:var(--teal);
    box-shadow:inset 0 -12px 0 rgba(45,212,191,.16);
  }
  .hero-lead{
    margin-top:20px;font-size:17px;line-height:1.85;color:#CFE6DF;max-width:700px;
  }
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .hero-stats{
    position:relative;z-index:2;
    display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
    padding:0 0 44px;
  }
  .stat-card{
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.16);
    border-radius:var(--r-lg);
    padding:18px 20px;
  }
  .stat-num{font-family:var(--mono);font-size:26px;font-weight:800;color:var(--teal);letter-spacing:.02em;}
  .stat-label{font-size:13.5px;color:#C9E1DA;margin-top:4px;}

  /* ---------- Section ---------- */
  .section{padding:80px 0;}
  .section-tight{padding:64px 0;}
  .section-head{max-width:760px;margin-bottom:44px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12.5px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;
    color:#0F5A49;margin-bottom:14px;
  }
  .eyebrow::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--orange);}
  .section-head h2{font-size:clamp(24px,3vw,36px);color:var(--ink);}
  .section-head p{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.85;}
  .section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

  /* ---------- Alternating rows ---------- */
  .alt-row{
    display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
    padding:34px 0;
  }
  .alt-row + .alt-row{border-top:1px dashed var(--line);}
  .alt-row.is-reverse .alt-media{order:2;}
  .alt-media{
    position:relative;border-radius:var(--r-lg);overflow:hidden;
    box-shadow:var(--shadow-2);background:#0B1F1A;
  }
  .alt-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .6s ease;}
  .alt-media:hover img{transform:scale(1.04);}
  .alt-media .media-tag{
    position:absolute;left:16px;top:16px;z-index:2;
    background:rgba(11,31,26,.78);color:#EAFBF6;border:1px solid rgba(255,255,255,.22);
    padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:700;
  }
  .alt-body h3{font-size:23px;color:var(--ink);margin-bottom:14px;}
  .alt-body > p{color:#41544C;font-size:15.6px;line-height:1.85;}
  .check-list{margin-top:20px;display:grid;gap:12px;}
  .check-list li{
    display:flex;gap:12px;align-items:flex-start;
    font-size:15px;color:#31443D;line-height:1.75;
  }
  .check-list li::before{
    content:"";flex:0 0 20px;width:20px;height:20px;margin-top:4px;border-radius:7px;
    background:#E7F6F2 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230F5A49' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/13px 13px no-repeat;
  }
  .row-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

  /* ---------- Card grid ---------- */
  .card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
  .card{
    display:flex;flex-direction:column;height:100%;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
    overflow:hidden;box-shadow:var(--shadow-1);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .card:hover{transform:translateY(-4px);border-color:var(--teal);box-shadow:var(--shadow-2);}
  .card-thumb{position:relative;overflow:hidden;background:#0B1F1A;}
  .card-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .6s ease;}
  .card:hover .card-thumb img{transform:scale(1.05);}
  .card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
  .card-title{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;}
  .card-text{font-size:14.4px;color:var(--muted);line-height:1.75;flex:1 1 auto;}
  .card-foot{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    padding-top:12px;border-top:1px solid var(--line);font-size:12.8px;color:#7A8A83;
  }
  .card-foot .cat{color:#0F5A49;font-weight:700;}

  /* ---------- Compare matrix ---------- */
  .matrix-wrap{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--shadow-1);overflow:hidden;
  }
  .matrix-scroll{overflow-x:auto;}
  .matrix{width:100%;min-width:760px;border-collapse:collapse;}
  .matrix th,.matrix td{
    padding:16px 20px;text-align:left;font-size:14.6px;border-bottom:1px solid var(--line);
    vertical-align:top;
  }
  .matrix thead th{
    background:#F1F6F3;color:var(--ink);font-weight:800;font-size:15px;
    border-bottom:1px solid var(--line);white-space:nowrap;
  }
  .matrix thead th.is-hot{background:var(--ink);color:#fff;}
  .matrix thead th.is-hot .badge{margin-top:8px;}
  .matrix tbody th{
    font-weight:700;color:#31443D;background:#FBFCFA;white-space:nowrap;
  }
  .matrix tbody tr:last-child th,.matrix tbody tr:last-child td{border-bottom:0;}
  .matrix .yes{color:var(--success);font-weight:700;}
  .matrix .no{color:#96A49E;}
  .matrix-foot{padding:18px 20px;background:#FBFCFA;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;}

  /* ---------- Panel / callout ---------- */
  .panel{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:28px 30px;box-shadow:var(--shadow-1);
  }
  .panel-dark{
    background:linear-gradient(140deg,var(--ink-deep) 0%,#0E3C30 100%);
    color:#E7F6F2;border:1px solid rgba(255,255,255,.1);
  }
  .panel-dark h3{color:#fff;}
  .panel-dark p{color:#BED9D1;}
  .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
  .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .mini-list{display:grid;gap:14px;margin-top:6px;}
  .mini-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.8px;color:#3B4E47;line-height:1.75;}
  .mini-list .dot{
    flex:0 0 26px;width:26px;height:26px;border-radius:9px;margin-top:2px;
    display:grid;place-items:center;font-family:var(--mono);font-size:12.5px;font-weight:800;
    background:#E7F6F2;color:#0F5A49;
  }

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:14px;max-width:920px;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
    transition:border-color .2s,box-shadow .2s;
  }
  .faq-item[open]{border-color:var(--teal);box-shadow:var(--shadow-1);}
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:18px 22px;font-size:16px;font-weight:700;color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-icon{position:relative;flex:0 0 22px;width:22px;height:22px;}
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--ink);border-radius:2px;transition:transform .25s ease,background .25s ease;
  }
  .faq-icon::before{left:50%;top:4px;width:2px;height:14px;transform:translateX(-50%);}
  .faq-icon::after{top:50%;left:4px;width:14px;height:2px;transform:translateY(-50%);}
  .faq-item[open] .faq-icon::before{transform:translateX(-50%) scaleY(0);}
  .faq-item[open] .faq-icon::after{background:var(--orange);}
  .faq-answer{padding:0 22px 20px;color:#42544D;font-size:15px;line-height:1.85;}

  /* ---------- Form ---------- */
  .consult-wrap{
    display:grid;grid-template-columns:0.9fr 1.1fr;gap:36px;align-items:start;
  }
  .consult-info h3{color:#fff;font-size:24px;margin-bottom:14px;}
  .consult-info p{color:#C4DDD6;font-size:15px;line-height:1.85;}
  .consult-points{margin-top:22px;display:grid;gap:12px;}
  .consult-points li{display:flex;gap:10px;font-size:14.6px;color:#DCEFE9;}
  .consult-points li::before{content:"◆";color:var(--teal);font-size:11px;line-height:1.9;}
  .form-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:30px;box-shadow:var(--shadow-2);
  }
  .form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
  .field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
  .field label{font-size:13.6px;font-weight:700;color:#31443D;}
  .field input,.field select,.field textarea{
    width:100%;padding:12px 14px;border-radius:12px;
    border:1px solid var(--line);background:#FBFCFA;font-size:14.6px;
    transition:border-color .2s,box-shadow .2s,background .2s;
  }
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--teal);background:#fff;
    box-shadow:0 0 0 4px rgba(45,212,191,.2);
  }
  .field textarea{min-height:112px;resize:vertical;}
  .check-line{display:flex;gap:10px;align-items:flex-start;font-size:13.6px;color:var(--muted);margin:4px 0 20px;}
  .check-line input{width:18px;height:18px;margin-top:3px;accent-color:var(--ink);}
  .form-note{font-size:12.6px;color:#8A9A93;margin-top:12px;}

  /* ---------- CTA strip ---------- */
  .cta-strip{
    background:linear-gradient(120deg,var(--ink) 0%,#0F4A3B 55%,var(--ink-deep) 100%);
    border-radius:24px;padding:44px 46px;color:#fff;
    display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;
    box-shadow:var(--shadow-2);
  }
  .cta-strip h2{font-size:clamp(22px,2.6vw,30px);color:#fff;}
  .cta-strip p{margin-top:12px;color:#C4DDD6;font-size:15.4px;max-width:620px;}

  /* ---------- Footer ---------- */
  .site-footer{
    background:var(--ink-deep);color:#C5D9D3;margin-top:0;
    padding:64px 0 26px;border-top:4px solid var(--teal);
  }
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;gap:36px;}
  .footer-brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px;}
  .footer-brand .brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:rgba(255,255,255,.1);color:var(--teal);box-shadow:none;}
  .footer-brand .brand-mark svg{width:20px;height:20px;}
  .footer-note{font-size:14px;line-height:1.85;color:#9DBAB2;max-width:380px;}
  .footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
  .footer-col ul{display:grid;gap:11px;}
  .footer-col a{font-size:14px;color:#A9C4BC;transition:color .2s,transform .2s;display:inline-block;}
  .footer-col a:hover{color:var(--teal);transform:translateX(3px);}
  .footer-bottom{
    margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    font-size:13px;color:#8AA79F;
  }

  /* ---------- Mobile ---------- */
  .mobile-cta{display:none;}
  @media(max-width:1024px){
    .card-grid{grid-template-columns:repeat(2,1fr);}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .alt-row{gap:32px;}
    .consult-wrap{grid-template-columns:1fr;}
    .hero-inner{padding:56px 0 56px;}
  }
  @media(max-width:768px){
    .header-main{grid-template-columns:1fr;gap:12px;padding:14px 0 8px;}
    .nav-search{max-width:none;justify-self:stretch;order:3;}
    .header-cta{display:none;}
    .nav-cats{padding:8px 0 12px;}
    .section{padding:56px 0;}
    .section-tight{padding:48px 0;}
    .alt-row{grid-template-columns:1fr;gap:22px;}
    .alt-row.is-reverse .alt-media{order:0;}
    .grid-2,.grid-3{grid-template-columns:1fr;}
    .card-grid{grid-template-columns:1fr;}
    .hero-stats{grid-template-columns:1fr;padding-bottom:34px;}
    .cta-strip{padding:32px 24px;border-radius:20px;}
    .form-card{padding:22px;}
    .form-row{grid-template-columns:1fr;}
    body{padding-bottom:70px;}
    .mobile-cta{
      display:flex;position:fixed;left:0;right:0;bottom:0;z-index:80;
      gap:12px;padding:10px 16px;background:rgba(255,255,255,.97);
      border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(11,59,46,.1);
    }
    .mobile-cta .btn{flex:1 1 0;}
  }
  @media(max-width:520px){
    .brand-name{font-size:15.5px;}
    .hero h1{font-size:28px;}
    .hero-lead{font-size:15.4px;}
    .footer-grid{grid-template-columns:1fr;}
    .matrix th,.matrix td{padding:13px 14px;font-size:13.8px;}
  }

/* roulang page: category2 */
:root{
    --ink:#0B3B2E;
    --ink-2:#12503D;
    --electric:#2DD4BF;
    --flare:#FF7A1A;
    --paper:#F6F7F2;
    --surface:#FFFFFF;
    --deep:#0B1F1A;
    --text:#10201C;
    --muted:#5B6B64;
    --border:#DDE5E0;
    --ok:#16A34A;
    --warn:#F59E0B;
    --err:#DC2626;
    --radius-card:18px;
    --radius-btn:12px;
    --shadow-sm:0 1px 2px rgba(11,59,46,.06), 0 6px 16px -8px rgba(11,59,46,.14);
    --shadow-md:0 8px 24px -12px rgba(11,59,46,.22), 0 18px 40px -24px rgba(11,59,46,.24);
    --shadow-lg:0 18px 48px -20px rgba(11,59,46,.30), 0 32px 64px -40px rgba(11,59,46,.28);
    --maxw:1240px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    background:var(--paper);
    color:var(--text);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{max-width:100%;display:block;border-style:none;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}

  .container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
  .skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:200;}
  .skip-link:focus{left:0;}

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.94);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--border);
  }
  .header-main{display:flex;align-items:center;gap:22px;padding:14px 0 10px;}
  .brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
  .brand-mark{
    width:42px;height:42px;border-radius:13px;flex:0 0 auto;
    display:grid;place-items:center;color:#fff;
    background:linear-gradient(140deg,var(--ink) 0%, var(--ink-2) 60%, #17705A 100%);
    box-shadow:0 6px 16px -8px rgba(11,59,46,.7);
  }
  .brand-mark svg{width:22px;height:22px;}
  .brand-name{display:block;font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.2px;white-space:nowrap;}
  .brand-sub{display:block;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);}

  .nav-search{
    position:relative;flex:1 1 44%;min-width:220px;
    display:flex;align-items:center;
    height:46px;padding:0 18px 0 46px;
    background:#fff;border:1px solid var(--border);border-radius:999px;
    box-shadow:inset 0 1px 2px rgba(11,59,46,.04);
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .nav-search .search-icon{position:absolute;left:17px;width:18px;height:18px;color:var(--muted);}
  .nav-search input{
    width:100%;border:0;outline:0;background:transparent;font-size:14.5px;
  }
  .nav-search input::placeholder{color:#93A39C;}
  .nav-search:focus-within{border-color:var(--electric);box-shadow:0 0 0 3px rgba(45,212,191,.22);}

  .header-cta{flex:0 0 auto;margin-left:auto;}

  .nav-cats{
    display:flex;gap:10px;overflow-x:auto;padding:2px 0 14px;
    scrollbar-width:none;
  }
  .nav-cats::-webkit-scrollbar{display:none;}
  .cat-pill{
    flex:0 0 auto;padding:8px 17px;border-radius:999px;font-size:14px;
    background:#fff;border:1px solid var(--border);color:#2C3B35;
    transition:transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
  }
  .cat-pill:hover{border-color:var(--electric);color:var(--ink);transform:translateY(-1px);}
  .cat-pill.is-active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600;}
  .cat-pill:focus-visible{outline:2px solid var(--electric);outline-offset:2px;}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 22px;border-radius:var(--radius-btn);border:1px solid transparent;
    font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
    transition:transform .18s ease, background .18s ease, box-shadow .18s ease, color .18s ease, border-color .18s ease;
  }
  .btn-primary{background:var(--flare);color:#fff;box-shadow:0 10px 22px -12px rgba(255,122,26,.85);}
  .btn-primary:hover{background:#F06E0B;transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(255,122,26,.9);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ink{background:var(--ink);color:#fff;box-shadow:0 10px 22px -14px rgba(11,59,46,.9);}
  .btn-ink:hover{background:#0F4B3A;transform:translateY(-2px);}
  .btn-outline{background:transparent;border-color:var(--border);color:var(--ink);}
  .btn-outline:hover{border-color:var(--electric);background:#fff;transform:translateY(-2px);}
  .btn-ghost-light{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.34);color:#fff;}
  .btn-ghost-light:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);}
  .btn:focus-visible{outline:2px solid var(--electric);outline-offset:3px;}
  .btn[disabled]{opacity:.55;pointer-events:none;}

  /* ---------- Hero ---------- */
  .cat-hero{
    position:relative;overflow:hidden;color:#fff;
    background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    padding:74px 0 66px;
  }
  .cat-hero::before{
    content:"";position:absolute;inset:0;
    background:linear-gradient(112deg, rgba(11,31,26,.95) 0%, rgba(11,59,46,.84) 52%, rgba(11,31,26,.62) 100%);
  }
  .hero-grid-lines{
    position:absolute;inset:0;pointer-events:none;
    background-image:
      linear-gradient(rgba(255,255,255,.075) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.075) 1px, transparent 1px);
    background-size:58px 58px;
    -webkit-mask-image:radial-gradient(circle at 78% 18%, #000 0%, transparent 72%);
    mask-image:radial-gradient(circle at 78% 18%, #000 0%, transparent 72%);
  }
  .cat-hero-inner{position:relative;z-index:2;max-width:880px;}
  .crumbs{font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:16px;display:flex;gap:8px;align-items:center;}
  .crumbs a:hover{color:var(--electric);}
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
    background:rgba(45,212,191,.16);border:1px solid rgba(45,212,191,.42);color:#9AF2E4;
    margin-bottom:20px;
  }
  .cat-hero h1{
    font-size:clamp(28px,4.2vw,50px);
    line-height:1.2;font-weight:900;letter-spacing:-.4px;margin-bottom:18px;
  }
  .cat-hero h1 em{font-style:normal;color:var(--electric);}
  .hero-lead{font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.86);max-width:760px;margin-bottom:26px;}
  .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;
    padding:8px 14px;border-radius:12px;font-size:13.5px;
    background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);color:#E7F3EF;
  }
  .hero-badge b{color:#fff;font-variant-numeric:tabular-nums;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
  .hero-search{
    position:relative;display:flex;align-items:center;gap:12px;
    max-width:600px;padding:8px 8px 8px 20px;
    background:rgba(255,255,255,.96);border-radius:999px;box-shadow:var(--shadow-lg);
  }
  .hero-search svg{width:18px;height:18px;color:var(--muted);flex:0 0 auto;}
  .hero-search input{flex:1;border:0;outline:0;background:transparent;font-size:14.5px;min-width:0;}
  .hero-search input::placeholder{color:#8FA39B;}
  .hero-search .btn{padding:10px 20px;font-size:14.5px;}
  .hero-search:focus-within{box-shadow:0 0 0 3px rgba(45,212,191,.35), var(--shadow-lg);}

  /* ---------- Sections ---------- */
  .section{padding:76px 0;}
  .section-alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
  .sec-head{max-width:760px;margin-bottom:40px;}
  .sec-kicker{
    display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;
    color:var(--ink);background:#E4F5F0;border:1px solid #C6EAE1;
    padding:5px 12px;border-radius:8px;margin-bottom:14px;
  }
  .sec-head h2{font-size:clamp(24px,3vw,36px);line-height:1.28;font-weight:800;color:var(--ink);margin-bottom:14px;letter-spacing:-.2px;}
  .sec-head p{font-size:16px;color:var(--muted);line-height:1.8;}

  /* ---------- Timeline ---------- */
  .timeline{margin-top:6px;}
  .tl-item{position:relative;display:grid;grid-template-columns:64px 1fr;gap:22px;padding-bottom:26px;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-item::before{
    content:"";position:absolute;left:31px;top:68px;bottom:0;width:2px;
    background:linear-gradient(180deg, rgba(45,212,191,.85), rgba(45,212,191,.12));
  }
  .tl-item:last-child::before{display:none;}
  .tl-dot{
    width:64px;height:64px;border-radius:18px;background:#fff;border:1px solid var(--border);
    display:grid;place-items:center;font-size:19px;font-weight:800;color:var(--ink);
    font-variant-numeric:tabular-nums;box-shadow:var(--shadow-sm);position:relative;z-index:1;
  }
  .tl-body{
    background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
    padding:22px 26px;box-shadow:var(--shadow-sm);
    transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
  }
  .tl-body:hover{transform:translateY(-3px);border-color:var(--electric);box-shadow:var(--shadow-md);}
  .tl-body h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:8px;}
  .tl-body p{font-size:15px;color:var(--muted);line-height:1.8;}
  .tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
  .chip{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 11px;border-radius:999px;font-size:12.5px;font-weight:600;
    background:#EEF6F3;color:#2A5B4B;border:1px solid #D6E9E1;
  }
  .chip.is-flare{background:#FFF1E5;color:#B4520B;border-color:#FFD9BC;}
  .chip.is-electric{background:#E2F8F4;color:#0F6B5D;border-color:#C3EDE5;}

  /* ---------- Resource cards ---------- */
  .res-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .res-card{
    display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
    border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);
    transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
  }
  .res-card:hover{transform:translateY(-4px);border-color:var(--electric);box-shadow:var(--shadow-md);}
  .res-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E9F0EC;}
  .res-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .res-card:hover .res-thumb img{transform:scale(1.05);}
  .res-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
  .res-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:10px;}
  .res-body h3{font-size:17.5px;font-weight:700;color:var(--ink);line-height:1.45;margin-bottom:10px;}
  .res-body p{font-size:14.5px;color:var(--muted);line-height:1.75;flex:1;}
  .res-link{
    display:inline-flex;align-items:center;gap:6px;margin-top:16px;
    font-size:14px;font-weight:600;color:var(--ink);
  }
  .res-link svg{width:15px;height:15px;transition:transform .2s ease;}
  .res-card:hover .res-link{color:var(--flare);}
  .res-card:hover .res-link svg{transform:translateX(3px);}

  /* ---------- Compare table ---------- */
  .table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-card);background:#fff;box-shadow:var(--shadow-sm);}
  .cmp-table{width:100%;min-width:720px;border-collapse:collapse;}
  .cmp-table th,.cmp-table td{padding:15px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--border);vertical-align:top;}
  .cmp-table thead th{background:var(--ink);color:#fff;font-weight:600;font-size:14.5px;border-bottom:0;}
  .cmp-table tbody th{font-weight:700;color:var(--ink);background:#F7FAF8;white-space:nowrap;}
  .cmp-table tbody td{color:var(--muted);line-height:1.7;}
  .cmp-table tbody tr:last-child th,.cmp-table tbody tr:last-child td{border-bottom:0;}
  .cmp-table tbody tr:hover td{background:#F4FAF7;}

  /* ---------- Checklist ---------- */
  .check-list{display:grid;gap:14px;margin-top:6px;}
  .check-list li{
    display:grid;grid-template-columns:28px 1fr;gap:14px;align-items:start;
    background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px 20px;
    box-shadow:var(--shadow-sm);
  }
  .check-mark{
    width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
    background:#E2F8F4;color:#0F6B5D;font-size:15px;font-weight:800;
  }
  .check-list strong{display:block;font-size:15.5px;color:var(--ink);margin-bottom:3px;}
  .check-list span{font-size:14.5px;color:var(--muted);line-height:1.75;}

  .split-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start;}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:900px;}
  .faq-item{
    background:#fff;border:1px solid var(--border);border-radius:16px;margin-bottom:12px;overflow:hidden;
    transition:border-color .22s ease, box-shadow .22s ease;
  }
  .faq-item:hover{border-color:#C9E6DE;}
  .faq-item.open{border-color:var(--electric);box-shadow:var(--shadow-sm);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:18px 22px;background:transparent;border:0;text-align:left;cursor:pointer;
    font-size:16px;font-weight:700;color:var(--ink);
  }
  .faq-q:focus-visible{outline:2px solid var(--electric);outline-offset:-2px;}
  .faq-icon{
    flex:0 0 auto;width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
    background:#E7F5F1;color:var(--ink);font-size:17px;font-weight:700;line-height:1;
    transition:background .22s ease, color .22s ease;
  }
  .faq-item.open .faq-icon{background:var(--flare);color:#fff;}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease, padding .32s ease;padding:0 22px;}
  .faq-item.open .faq-a{padding:0 22px 20px;}
  .faq-a p{font-size:14.8px;color:var(--muted);line-height:1.85;}

  /* ---------- CTA / Form ---------- */
  .cta-panel{
    position:relative;overflow:hidden;border-radius:24px;color:#fff;
    background:linear-gradient(125deg, var(--deep) 0%, var(--ink) 58%, #14503E 100%);
    padding:52px 48px;box-shadow:var(--shadow-lg);
  }
  .cta-panel::after{
    content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;
    background:radial-gradient(circle, rgba(45,212,191,.30), transparent 68%);
  }
  .cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;}
  .cta-panel h2{font-size:clamp(23px,3vw,32px);font-weight:800;line-height:1.3;margin-bottom:14px;}
  .cta-panel p{color:rgba(255,255,255,.82);font-size:15.5px;line-height:1.85;}
  .cta-points{display:grid;gap:12px;margin-top:24px;}
  .cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.8px;color:rgba(255,255,255,.9);}
  .cta-points .dot{width:8px;height:8px;border-radius:50%;background:var(--electric);margin-top:9px;flex:0 0 auto;}

  .form-card{background:#fff;border-radius:20px;padding:26px 26px 24px;color:var(--text);box-shadow:var(--shadow-md);}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  .field{display:flex;flex-direction:column;gap:6px;}
  .field.full{grid-column:1 / -1;}
  .field label{font-size:13.5px;font-weight:600;color:var(--ink);}
  .field input,.field select,.field textarea{
    width:100%;padding:11px 14px;border:1px solid var(--border);border-radius:12px;
    background:#FBFCFA;font-size:14.5px;outline:0;
    transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
  }
  .field textarea{min-height:96px;resize:vertical;line-height:1.7;}
  .field input:focus,.field select:focus,.field textarea:focus{
    border-color:var(--electric);background:#fff;box-shadow:0 0 0 3px rgba(45,212,191,.2);
  }
  .field input.is-error,.field textarea.is-error{border-color:var(--err);box-shadow:0 0 0 3px rgba(220,38,38,.12);}
  .field-hint{font-size:12.5px;color:var(--muted);}
  .field-hint.is-error{color:var(--err);}
  .agree{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);line-height:1.7;}
  .agree input{width:16px;height:16px;margin-top:4px;accent-color:var(--ink);flex:0 0 auto;}
  .form-note{margin-top:12px;font-size:13px;color:var(--muted);}
  .form-success{
    display:none;margin-top:14px;padding:12px 16px;border-radius:12px;
    background:#E9F8EF;border:1px solid #BFE7CE;color:#146B37;font-size:14px;
  }
  .form-success.show{display:block;}

  /* ---------- Footer ---------- */
  .site-footer{background:var(--deep);color:#C6D5CE;padding:58px 0 26px;}
  .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px;}
  .footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:17px;font-weight:800;margin-bottom:16px;}
  .footer-brand .brand-mark{width:38px;height:38px;border-radius:12px;}
  .footer-note{font-size:14px;line-height:1.85;color:#9CB1A8;max-width:420px;}
  .footer-col h3{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px;}
  .footer-col ul{display:grid;gap:10px;}
  .footer-col a{font-size:14.3px;color:#C6D5CE;transition:color .18s ease;}
  .footer-col a:hover{color:var(--electric);}
  .footer-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
    font-size:13px;color:#8CA398;
  }

  /* ---------- Responsive ---------- */
  @media (max-width:1080px){
    .res-grid{grid-template-columns:repeat(2,1fr);}
    .split-grid{grid-template-columns:1fr;gap:30px;}
    .cta-grid{grid-template-columns:1fr;gap:32px;}
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  }
  @media (max-width:900px){
    .header-main{flex-wrap:wrap;gap:14px;}
    .nav-search{order:3;flex:1 1 100%;min-width:0;}
    .header-cta{margin-left:auto;}
    .header-cta .btn{padding:10px 16px;font-size:14px;}
  }
  @media (max-width:768px){
    .container{padding:0 18px;}
    .section{padding:52px 0;}
    .cat-hero{padding:52px 0 48px;}
    .cat-hero h1{font-size:clamp(26px,7vw,34px);}
    .hero-lead{font-size:15.5px;}
    .res-grid{grid-template-columns:1fr;gap:18px;}
    .tl-item{grid-template-columns:52px 1fr;gap:16px;padding-bottom:20px;}
    .tl-item::before{left:25px;top:56px;}
    .tl-dot{width:52px;height:52px;border-radius:15px;font-size:16px;}
    .tl-body{padding:18px 20px;}
    .cta-panel{padding:34px 22px;border-radius:20px;}
    .form-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
    .footer-note{max-width:none;}
  }
  @media (max-width:520px){
    .brand-name{font-size:14.5px;}
    .brand-sub{display:none;}
    .hero-actions .btn{width:100%;}
    .hero-search{flex-wrap:wrap;border-radius:18px;padding:12px 14px;gap:10px;}
    .hero-search input{flex:1 1 100%;order:2;}
    .hero-search .btn{width:100%;order:3;border-radius:12px;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;gap:6px;}
    .cmp-table th,.cmp-table td{padding:13px 15px;}
  }